| Station Name | Months | Country | Earliest | Most Recent |
|---|
| ROACH | 279 | United States | Sep 1989 | Sep 2013 |
| ROAD CREEK IDAHO | 258 | United States | Sep 1990 | Jun 2012 |
| ROADENE | 515 | Canada | May 1936 | May 1984 |
| ROAN MOUNTAIN 3SW | 40 | United States | Apr 2002 | Sep 2005 |
| ROANOKE 8 N | 873 | United States | Oct 1901 | Oct 2013 |
| ROANOKE MUNICIPAL | 490 | United States | Jan 1973 | Oct 2013 |
| ROANOKE RAPIDS | 491 | United States | Jan 1972 | Oct 2013 |
| ROANOKE RAPIDS AP | 125 | United States | Nov 1998 | Jun 2009 |
| ROANOKE RAPIDS HALIFAX CO AP | 120 | United States | Apr 1999 | May 2009 |
| ROANOKE WOODRUM FIELD | 791 | United States | Dec 1947 | Oct 2013 |
| ROARING RIVER | 277 | United States | Oct 1989 | Oct 2013 |
| ROATAN | 277 | Honduras | Mar 1990 | Oct 2013 |
| ROBACKSDALEN | 305 | Sweden | Jan 1962 | Jun 1987 |
| ROBB RS,AL | 330 | Canada | Dec 1965 | Aug 1996 |
| ROBBINSTON | 228 | United States | Nov 1994 | Oct 2013 |
| ROBBINSVILLE 1 S | 103 | United States | Jan 2005 | Aug 2013 |
| ROBBINSVILLE AG 5 NE | 96 | United States | Dec 2004 | Oct 2013 |
| ROBE AIRFIELD | 119 | Australia | Aug 2003 | Oct 2013 |
| ROBE POST OFFICE | 1533 | Australia | Sep 1884 | Oct 2013 |
| ROBE/BALE | 263 | Ethiopia | Sep 1962 | Dec 1987 |
| ROBELINE | 614 | United States | Jun 1896 | May 1953 |
| ROBERT GRAY AAF | 699 | United States | Oct 1950 | Oct 2013 |
| ROBERT J MILLER AIRP | 46 | United States | Dec 2007 | Mar 2012 |
| ROBERT LEE | 609 | United States | Mar 1908 | Jun 2013 |
| ROBERT S KERR | 112 | United States | Jun 2004 | Oct 2013 |
| ROBERT'S ARM | 156 | Canada | Nov 1982 | Dec 1995 |
| ROBERTS 3 N | 411 | United States | Jul 1934 | Oct 1968 |
| ROBERTS BUTTE OREGON | 158 | United States | Nov 1998 | Oct 2013 |
| ROBERTS CREEK EAST | 56 | Canada | Feb 1956 | Dec 1960 |
| ROBERTS DAM | 231 | United States | Feb 1890 | Dec 1929 |
| ROBERTS FIELD | 521 | Liberia | Jul 1942 | Oct 2013 |
| ROBERTSBURG | 457 | United States | May 1900 | Feb 1939 |
| ROBERTSDALE 5 NE | 945 | United States | Feb 1924 | Aug 2013 |
| ROBERTSON | 46 | South Africa | Sep 2009 | Oct 2013 |
| ROBERTSON FLD | 23 | United States | Jun 2011 | Jul 2013 |
| ROBERTSON LAKE (AUT), NU | 351 | Canada | Mar 1980 | Oct 2013 |
| ROBERTSVILLE | 16 | United States | Sep 1911 | Dec 1913 |
| ROBERVAL AIRPORT | 665 | Canada | Nov 1957 | Oct 2013 |
| ROBERVAL ARPT | 425 | Canada | Jul 1977 | Oct 2013 |
| ROBERVAL NORD,QU | 565 | Canada | Apr 1888 | Mar 1967 |
| ROBICHAUD | 105 | Canada | Feb 1982 | Dec 1992 |
| ROBIEI | 163 | Switzerland | Aug 1991 | Oct 2013 |
| ROBINS REEF | 78 | United States | Nov 2006 | Oct 2013 |
| ROBINSON | 308 | United States | Aug 1897 | Oct 2013 |
| ROBINSON MUNI AP | 107 | United States | Jun 2004 | Oct 2013 |
| ROBINSON TANK ARIZONA | 325 | United States | May 1986 | Oct 2013 |
| ROBINVALE CONSOLIDATED SCHOOL | 83 | Australia | Dec 1970 | May 1979 |
| ROBLIN NORTH | 51 | Canada | Jul 1980 | Oct 1985 |
| ROBLIN, MAN | 438 | Canada | Nov 1969 | Oct 2013 |
| ROBORE | 695 | Bolivia | May 1945 | Oct 2013 |
| ROBSON | 166 | Canada | Aug 1964 | Dec 1979 |
| ROBSON | 106 | United States | Jul 2003 | Jul 2012 |
| ROBSON RCH | 32 | United States | Jan 2011 | Sep 2013 |
| ROBSTOWN | 675 | United States | Nov 1953 | Dec 2011 |
| ROBSTOWN NUECES CO AP | 9 | United States | Jan 2005 | Dec 2005 |
| ROBVILLE | 18 | United States | Jan 1913 | Jun 1914 |
| ROBY | 251 | United States | Jan 1893 | Jan 1924 |
| ROCADAS | 22 | Angola | Aug 1961 | Jun 1968 |
| ROCANVILLE | 481 | Canada | Jul 1968 | Sep 2013 |
| ROCHA | 727 | Uruguay | Jun 1951 | Oct 2013 |
| ROCHDALE | 78 | United States | May 1938 | Jul 1945 |
| ROCHELLE | 220 | United States | Nov 1915 | Apr 1935 |
| ROCHELLE 3 E | 772 | United States | Jan 1937 | Mar 2002 |
| ROCHELLE 6 NW | 734 | United States | Sep 1940 | Oct 2013 |
| ROCHELLE MUNI AP | 10 | United States | Jan 2005 | Dec 2005 |
| ROCHELLE MUNI KORIT | 108 | United States | Jun 2004 | Oct 2013 |
| ROCHES POINT | 1338 | Ireland | Jan 1890 | Oct 2013 |
| ROCHESTER | 1187 | United States | Apr 1904 | Sep 2013 |
| ROCHESTER | 761 | United States | Jan 1900 | Oct 2013 |
| ROCHESTER | 570 | United States | Aug 1964 | Oct 2013 |
| ROCHESTER | 122 | Australia | Jan 1965 | Jul 1975 |
| ROCHESTER | 21 | United States | Jan 2011 | Nov 2012 |
| ROCHESTER (CGLS) | 219 | United States | Feb 1977 | Oct 2013 |
| ROCHESTER FERRY | 518 | United States | Oct 1964 | Sep 2013 |
| ROCHESTER INTERNATIONAL ARPT | 1168 | United States | Feb 1893 | Oct 2013 |
| ROCHESTER MONROE CO ARPT | 300 | United States | Jan 1948 | Dec 1972 |
| ROCHESTER NORTH | 167 | Canada | Feb 1956 | Dec 1977 |
| ROCHESTER SKYHAVEN AP | 165 | United States | Feb 2000 | Oct 2013 |
| ROCHESTER WWTP | 22 | United States | Aug 2011 | Sep 2013 |
| ROCHESTER/ROCHESTER-MONROE CO., NY. | 2201 | United States | Jan 1830 | Oct 2013 |
| ROCHFORD 2 WNW | 231 | United States | Oct 1897 | Jul 2006 |
| ROCIADA | 226 | United States | May 1904 | Jun 1926 |
| ROCK 1 E | 237 | United States | Dec 1905 | Oct 1925 |
| ROCK CAVE 2 NE | 248 | United States | Jan 1993 | Oct 2013 |
| ROCK CO SHERIFF | 74 | United States | Oct 2000 | Dec 2006 |
| ROCK CREEK | 321 | Canada | Nov 1920 | Dec 1947 |
| ROCK CREEK | 309 | United States | Jun 1986 | Oct 2013 |
| ROCK CREEK | 240 | United States | Apr 1927 | Jun 1948 |
| ROCK CREEK | 172 | United States | Jul 1999 | Oct 2013 |
| ROCK CREEK MT BALDY | 77 | Canada | Aug 1992 | Nov 2000 |
| ROCK CREEK OREGON | 323 | United States | May 1986 | Oct 2013 |
| ROCK CREEK RANCH | 59 | United States | May 1961 | Jul 1968 |
| ROCK HALL | 550 | United States | Jan 1899 | Mar 1967 |
| ROCK HILL 3 SW | 57 | United States | Aug 1980 | Oct 2013 |
| ROCK HILL YORK COUNTY AP | 176 | United States | Feb 1999 | Oct 2013 |
| ROCK HOUSE | 684 | United States | Jan 1900 | Jun 1958 |
| ROCK HOUSE OREGON | 57 | United States | Jul 1989 | Nov 1994 |
| ROCK ISLAND | 383 | United States | Jun 1913 | Nov 1946 |
| ROCK ISLAND | 86 | United States | Jul 1899 | Oct 1907 |
| ROCK ISLAND L&D 15 | 408 | United States | Apr 1872 | Oct 2013 |
| ROCK ISLAND LAKE LO | 17 | Canada | Jun 2005 | Jul 2011 |
| ROCK ISLAND SP | 86 | United States | Feb 2006 | Oct 2013 |
| ROCK LAKE IDAHO | 278 | United States | Jul 1990 | Oct 2013 |
| ROCK MILLS | 693 | United States | Oct 1941 | Oct 2013 |
| ROCK OF AGES | 201 | United States | Aug 1985 | Nov 2010 |
| ROCK POINT | 454 | Canada | Nov 1974 | Sep 2013 |
| ROCK RAPIDS | 1366 | United States | May 1893 | Oct 2013 |
| ROCK RIDGE DRIVE | 95 | United States | Oct 1972 | Oct 1980 |
| ROCK RIVER | 60 | United States | Jun 1913 | Dec 1918 |
| ROCK RIVER (MAPS) | 16 | Canada | Nov 1989 | May 1991 |
| ROCK RIVER 13 NNW | 63 | United States | Dec 2006 | Aug 2013 |
| ROCK RIVER, YT | 191 | Canada | Jul 1991 | Oct 2013 |
| ROCK SPRING CREEK NEVADA | 278 | United States | Jul 1990 | Oct 2013 |
| ROCK SPRINGS | 298 | United States | Aug 1984 | Oct 2013 |
| ROCK SPRINGS 3 SW | 122 | United States | Jan 1992 | Feb 2002 |
| ROCK SPRINGS 7 SE | 1109 | United States | Aug 1915 | Sep 2013 |
| ROCK SPRINGS AP | 1127 | United States | Apr 1908 | Oct 2013 |
| ROCK SPRINGS FIRE DEPARTMENT | 642 | United States | Nov 1898 | Sep 2013 |
| ROCK SPRINGS SWEETW | 283 | United States | Mar 1990 | Oct 2013 |
| ROCK-RAPIDS | 1088 | United States | May 1893 | Dec 1990 |
| ROCK-SPRINGS-FAA-AP | 1197 | United States | Apr 1908 | Oct 2013 |
| ROCKEFELLER WL REFUGE | 579 | United States | Nov 1964 | Oct 2013 |
| ROCKER PEAK | 350 | United States | Mar 1983 | Oct 2013 |
| ROCKFORD | 669 | United States | Jan 1893 | Jun 1957 |
| ROCKFORD 3 ESE | 588 | United States | Aug 1954 | Sep 2013 |
| ROCKFORD/GREATER ROCKFORD, IL. | 810 | United States | Apr 1946 | Oct 2013 |
| ROCKGLEN | 31 | Canada | Jan 2011 | Oct 2013 |
| ROCKGLEN (AUT), SASK | 472 | Canada | Jan 1971 | Oct 2013 |
| ROCKGLEN (MARS) | 54 | Canada | Jan 1973 | Jun 1977 |
| ROCKHAMPTON AIRPORT | 890 | Australia | Aug 1939 | Oct 2013 |
| ROCKHOUSE 1 OREGON | 171 | United States | Aug 1997 | Oct 2013 |
| ROCKINGHAM AIRPORT | 10 | United States | Jan 2005 | Dec 2005 |
| ROCKINGHAM CO SHILOH AP | 82 | United States | Nov 2006 | Oct 2013 |
| ROCKINGHAM NORTH CAROLINA | 669 | United States | Jan 1900 | Oct 2013 |
| ROCKLAND | 94 | United States | Dec 2001 | Jul 2013 |
| ROCKLAND | 74 | United States | Feb 1893 | Aug 1899 |
| ROCKLAND (CGS) | 117 | United States | Oct 1975 | Oct 1994 |
| ROCKLAND 1 WSW | 130 | United States | Nov 1963 | May 1975 |
| ROCKLAND KNOX CO RGNL AP | 722 | United States | Nov 1937 | Oct 2013 |
| ROCKLEY POST OFFICE | 236 | Australia | Jan 1907 | Feb 1929 |
| ROCKLIN | 865 | United States | Sep 1904 | Dec 1976 |
| ROCKLYN | 170 | Canada | Nov 1989 | Aug 2004 |
| ROCKPORT | 646 | United States | Jan 1959 | Feb 2013 |
| ROCKPORT | 26 | United States | Oct 1897 | Mar 1901 |
| ROCKPORT 1 ESE | 904 | United States | May 1902 | Dec 1982 |
| ROCKPORT ARANSAS CO AP | 212 | United States | Mar 1996 | Oct 2013 |
| ROCKPORT MARINE LAB | 121 | United States | Oct 1905 | Oct 2013 |
| ROCKSPRINGS 1S | 762 | United States | Sep 1894 | Oct 2013 |
| ROCKSPRINGS 5 W | 14 | United States | Feb 1955 | Mar 1956 |
| ROCKVILLE | 1546 | United States | Jan 1862 | Dec 2012 |
| ROCKVILLE 1 NE | 816 | United States | Jan 1908 | Jul 2007 |
| ROCKVILLE 5 N | 580 | United States | Nov 1963 | Dec 2012 |
| ROCKWALL | 59 | United States | Sep 1950 | Feb 1956 |
| ROCKWALL MUNI | 12 | United States | Sep 2012 | Oct 2013 |
| ROCKWELL | 141 | United States | Nov 1899 | Jan 1919 |
| ROCKWELL CITY | 1355 | United States | Jan 1895 | Oct 2013 |
| ROCKWELL-CITY | 1081 | United States | Jan 1895 | Dec 1990 |
| ROCKWOOD 2 | 582 | United States | Apr 1962 | Dec 2011 |
| ROCKY BASIN-SETTLEME | 281 | United States | May 1986 | Oct 2013 |
| ROCKY BOY | 187 | United States | Jan 1997 | Oct 2013 |
| ROCKY BOY MONTANA | 223 | United States | Jul 1992 | Sep 2012 |
| ROCKY FORD 1 ESE | 45 | United States | Nov 2009 | Oct 2013 |
| ROCKY FORD 2 SE | 1463 | United States | Jul 1889 | Sep 2013 |
| ROCKY FORD 4 SE | 163 | United States | Nov 1999 | Oct 2013 |
| ROCKY GULLY | 200 | Australia | Apr 1996 | Oct 2013 |
| ROCKY HARBOUR CS, NFLD | 471 | Canada | Jul 1972 | Oct 2013 |
| ROCKY HOUSE (MARS) | 237 | Canada | Dec 1981 | Dec 2010 |
| ROCKY KNOB | 364 | United States | Jul 1940 | Feb 1974 |
| ROCKY MOUNT | 1341 | United States | May 1894 | Oct 2013 |
| ROCKY MOUNT 8 ESE | 467 | United States | Mar 1954 | Sep 2013 |
| ROCKY MOUNT FAA AP | 112 | United States | Jan 1949 | Dec 1976 |
| ROCKY MOUNT NORTH CAROLINA | 125 | United States | Jul 2002 | May 2013 |
| ROCKY MOUNT WILSON | 427 | United States | Nov 1973 | Oct 2013 |
| ROCKY MT WILSON AP | 151 | United States | Oct 2000 | Oct 2013 |
| ROCKY MTN HOUSE (AUT), ALTA | 1159 | Canada | Aug 1915 | Oct 2013 |
| ROCKY POINT 3 S | 107 | United States | Nov 1966 | Oct 1975 |
| ROCKY-FORD-2SE | 1224 | United States | Oct 1888 | Dec 1990 |
| ROCKY-MOUNT | 1060 | United States | May 1894 | Dec 1990 |
| ROCKYPOINT 2 NE | 522 | United States | Dec 1922 | Aug 2010 |
| RODALE RESEARCH CENTER | 328 | United States | Dec 1983 | Mar 2013 |
| RODDICKTON NORTH | 306 | Canada | Sep 1971 | Oct 1999 |
| RODEO | 529 | Mexico | Nov 1926 | Nov 1998 |
| RODEO | 471 | United States | Aug 1932 | Apr 1978 |
| RODEO CAA AP | 165 | United States | Mar 1940 | Dec 1953 |
| RODEO NEW MEXICO CAA | 88 | United States | Aug 1946 | Dec 1953 |
| RODEO VALLEY | 221 | United States | Aug 1993 | Oct 2013 |
| RODEZ/MARCILLAC | 212 | France | Dec 1986 | Oct 2013 |
| RODINO | 426 | Russia | Sep 1949 | Oct 2013 |
| RODKALLEN | 254 | Sweden | Jul 1974 | Oct 2013 |
| RODKALLEN_A | 333 | Sweden | Jan 1965 | Dec 2011 |
| RODNEI MOUNTAIN RNG | 6 | Romania | Oct 1987 | Feb 1989 |
| RODNEY | 55 | Canada | May 1984 | Nov 1989 |
| RODRIGUES (POINT CANON) | 754 | Mauritius | Jan 1951 | Oct 2013 |
| ROEBOURNE (COSSACK) | 408 | Australia | Jul 1881 | Sep 1918 |
| ROEBOURNE AERO | 142 | Australia | Jul 2001 | Oct 2013 |
| ROEBOURNE POST OFFICE | 1105 | Australia | May 1919 | Sep 2013 |
| ROEMOE/JUVRE | 307 | Denmark | Nov 1984 | Sep 2013 |
| ROENNE | 633 | Denmark | Jan 1961 | Oct 2013 |
| ROESNAES FYR | 358 | Denmark | Feb 1983 | Oct 2013 |
| ROEST III | 245 | Norway | May 1979 | Nov 2008 |
| ROFF 2 WNW | 31 | United States | Apr 1901 | Jul 1907 |
| ROGERS | 45 | United States | Dec 2009 | Oct 2013 |
| ROGERS CITY 3 S | 766 | United States | Mar 1896 | Oct 2013 |
| ROGERS MUNI AP | 980 | United States | Jan 1892 | Dec 2005 |
| ROGERS MUNI CARTER F | 252 | United States | Jun 1992 | Oct 2013 |
| ROGERS PASS | 38 | United States | May 1953 | Jun 1956 |
| ROGERS PASS 9 NNE | 546 | United States | Sep 1964 | Sep 2013 |
| ROGERSVILLE 1 NE | 1395 | United States | Feb 1896 | Oct 2013 |
| ROGERSVILLE-1NE | 1318 | United States | Jan 1884 | Nov 1996 |
| ROGGEN 2 S | 65 | United States | May 1955 | Sep 1960 |
| ROGNSUNDET | 26 | Norway | Sep 2010 | Oct 2013 |
| ROHNERVILLE | 22 | United States | Oct 2011 | Oct 2013 |
| ROHRBACH | 222 | Austria | Oct 1994 | Oct 2013 |
| ROHRI | 97 | Pakistan | Oct 2002 | Oct 2013 |
| ROHWER 2 NNE | 1173 | United States | Nov 1894 | Oct 2013 |
| ROHWER 2 NNE | 637 | United States | Dec 1959 | Oct 2013 |
| ROHWER-2NNE | 888 | United States | Nov 1894 | Dec 1990 |
| ROI ET | 727 | Thailand | Jan 1949 | Oct 2013 |
| ROI ET | 15 | Thailand | May 2012 | Oct 2013 |
| ROI ET AGROMET | 66 | Thailand | Jan 2008 | Oct 2013 |
| ROISSY | 471 | France | May 1974 | Oct 2013 |
| ROJEN | 124 | Bulgaria | Oct 2001 | Oct 2013 |
| ROLAND | 296 | Canada | Oct 1951 | Oct 1977 |
| ROLAND WEST PORTAL | 380 | United States | Apr 1921 | Jul 1953 |
| ROLETTE 2SE | 155 | United States | Jun 1999 | Sep 2013 |
| ROLLA | 15 | Canada | Sep 1984 | Feb 1988 |
| ROLLA 3 NW | 885 | United States | Apr 1904 | Jul 2009 |
| ROLLA MUNI | 30 | United States | Dec 2010 | Oct 2013 |
| ROLLA UNI OF MISSOURI | 1281 | United States | Apr 1867 | Oct 2013 |
| ROLLA/VICHY AIRPORT | 449 | United States | Jan 1973 | Jul 2010 |
| ROLLESTON AIRPORT | 280 | Australia | Aug 1987 | Oct 2013 |
| ROLLING FORK | 480 | United States | Jul 1936 | Oct 2013 |
| ROLLING HILLS AGCM, ALTA | 330 | Canada | May 1983 | Oct 2013 |
| ROLLOVER PASS | 11 | United States | Aug 2012 | Oct 2013 |
| ROLPHTON NPD | 187 | Canada | Dec 1977 | Sep 2001 |
| ROMA | 145 | Sweden | Jun 2001 | Oct 2013 |
| ROMA AIRPORT | 1176 | Australia | Dec 1889 | Oct 2013 |
| ROMA FIUMICINO | 2300 | Italy | Jan 1811 | Oct 2013 |
| ROMA POST OFFICE | 1024 | Australia | Dec 1889 | Jun 1992 |
| ROMA/CIAMPINO ITALY T | 753 | Italy | Jan 1951 | Oct 2013 |
| ROMA/URBE | 707 | Italy | Jan 1952 | Oct 2013 |
| ROMAN | 801 | Romania | Jul 1886 | Sep 2002 |
| ROMANOVKA | 901 | Russia | Jan 1936 | Oct 2013 |
| ROMA_AUT | 171 | Sweden | Jan 1985 | Aug 1999 |
| ROMA_V | 182 | Sweden | Mar 1996 | Dec 2011 |
| ROMBLON | 549 | Philippines | Jan 1951 | Oct 2013 |
| ROME | 1541 | United States | Apr 1878 | Aug 2010 |
| ROME | 412 | United States | May 1903 | Feb 1939 |
| ROME | 382 | United States | Aug 1903 | Feb 1939 |
| ROME | 27 | United States | Mar 1907 | Dec 1909 |
| ROME (AMOS) | 123 | United States | Mar 1985 | Jun 1996 |
| ROME 2 NW | 700 | United States | Dec 1950 | Jul 2013 |
| ROME CENTOCELLE | 103 | Italy | Jan 1973 | Jan 2009 |
| ROME GRIFFISS AIRFIELD | 76 | United States | Jun 2007 | Oct 2013 |
| ROME ITALY/CIAMPINO AB | 30 | Italy | Jan 1945 | Jul 1947 |
| ROME R B RUSSELL AP | 585 | United States | Jan 1948 | Oct 2013 |
| ROME STATE | 137 | United States | Jun 2001 | Oct 2013 |
| ROME STATE AIRPORT | 194 | United States | Oct 1949 | Sep 2013 |
| ROME/RUSSELL(RAMOS) | 410 | United States | Apr 1978 | Oct 2013 |
| ROMEO 1 N | 137 | United States | Oct 1889 | Jun 2007 |
| ROMEOVILLE LEWIS UNIV AP | 194 | United States | Sep 1997 | Oct 2013 |
| ROMERO | 246 | United States | Feb 1910 | Apr 1936 |
| ROMNEY 1 SW | 1280 | United States | Dec 1896 | Oct 2013 |
| ROMNY | 125 | Ukraine | Feb 1970 | Apr 2004 |
| ROMORANTIN | 223 | France | Apr 1985 | Oct 2013 |
| ROMULUS | 300 | United States | Feb 1893 | Mar 1922 |
| RONALANE | 122 | Canada | Dec 1913 | Jul 1924 |
| RONAN | 380 | Canada | Jul 1972 | Nov 2005 |
| RONBJERG HUSE HAVN | 16 | Denmark | Aug 1940 | Dec 1941 |
| RONCHI DEI LEGIONARI | 558 | Italy | Jan 1967 | Oct 2013 |
| RONG-SHUI | 121 | China | Oct 1961 | Apr 1997 |
| RONGJIANG | 729 | China | Feb 1953 | Oct 2013 |
| RONNEBY (SWE-AFB) | 485 | Sweden | Jan 1973 | Oct 2013 |
| RONNSKAR | 329 | Sweden | Mar 1961 | Dec 2011 |
| RONVILLE | 225 | Canada | Jan 1908 | Sep 1926 |
| ROOIKOP (SAAF/CIV) | 8 | Namibia | Feb 1988 | Dec 1990 |
| ROOKERY BAY RESERVE | 65 | United States | Nov 2007 | Oct 2013 |
| ROORKEE | 959 | India | Jan 1875 | Dec 1957 |
| ROOSEVELT | 56 | United States | Oct 1902 | Sep 1908 |
| ROOSEVELT 1 WNW | 1285 | United States | Aug 1905 | Oct 2013 |
| ROOSEVELT AIRPORT ST. EUSTATIUS | 162 | Netherland Antilles | Aug 1985 | Sep 2013 |
| ROOSEVELT ARIZONA | 200 | United States | Feb 1992 | Dec 2008 |
| ROOSEVELT RADIO | 872 | United States | Dec 1939 | Oct 2013 |
| ROOSEVELT ROADS NAS | 669 | Puerto Rico [United States] | Oct 1942 | Oct 2013 |
| ROOSEVELT-ROADS | 12 | United States | Jan 1991 | Dec 1991 |
| ROPARUDDEN | 172 | Sweden | Mar 1973 | Oct 2013 |
| ROPER BAR STORE | 207 | Australia | Jun 1976 | May 1994 |
| ROPER VALLEY | 8 | Australia | Jul 1995 | Aug 1996 |
| RORASTRAND | 156 | Sweden | Jan 1999 | Dec 2011 |
| RORBACKSNAS | 330 | Sweden | Feb 1968 | Dec 1995 |
| RORKETON WEST | 118 | Canada | Jan 1988 | Aug 2003 |
| ROROS AIRPORT | 134 | Norway | May 2002 | Aug 2013 |
| ROROS LUFTHAVN | 1711 | Norway | Jan 1871 | Oct 2013 |
| RORSBO | 88 | Sweden | Sep 1969 | Dec 1976 |
| RORVIK AP | 216 | Norway | Oct 1995 | Oct 2013 |
| RORVIK/RYUM | 99 | Norway | Feb 1987 | Aug 1995 |
| ROSALIA | 1433 | United States | Jan 1893 | Oct 2013 |
| ROSALIND AGCM, ALTA | 152 | Canada | Mar 1980 | Oct 2013 |
| ROSARIO AERO | 871 | Argentina | Jan 1941 | Oct 2013 |
| ROSARIO DE LA FRO | 10 | Argentina | Sep 1975 | Jul 1976 |
| ROSARITO | 277 | Mexico | Nov 1958 | Nov 1997 |
| ROSCHINO | 111 | Russia | Aug 2004 | Oct 2013 |
| ROSCOE | 913 | United States | Apr 1937 | Oct 2013 |
| ROSCOE | 580 | United States | Sep 1948 | Oct 2013 |
| ROSCOE TURNER AIRPOR | 28 | United States | Mar 2011 | Oct 2013 |
| ROSCOMMON | 189 | United States | May 1930 | Feb 1947 |
| ROSE 10 WNW | 356 | United States | Aug 1961 | Jul 2000 |
| ROSE PEAK CALIFORNIA | 208 | United States | Jan 1995 | Oct 2013 |
| ROSE PRAIRIE | 128 | Canada | Sep 1973 | May 1988 |
| ROSE SPIT (AUT) | 90 | Canada | Jan 2004 | Oct 2013 |
| ROSE SPIT (AUT), BC | 321 | Canada | Jan 1985 | Oct 2013 |
| ROSE VALLEY CALIFORNIA | 231 | United States | Nov 1993 | Oct 2013 |
| ROSEAU 1 E | 1168 | United States | Apr 1895 | Dec 2006 |
| ROSEAU MINNESOTA | 123 | United States | Jun 2003 | Oct 2013 |
| ROSEAU MUNI AP | 10 | United States | Jan 2005 | Dec 2005 |
| ROSEAU MUNI BILLBERG | 266 | United States | Oct 1990 | Oct 2013 |
| ROSEAU-1E | 997 | United States | Mar 1894 | Dec 1990 |
| ROSEBERRY | 37 | United States | Dec 1895 | Nov 1912 |
| ROSEBERRY STATE FOREST NURSERY | 51 | Australia | Jan 1964 | Jun 1968 |
| ROSEBERY (HEC SUBSTATION) | 149 | Australia | Nov 1979 | May 1993 |
| ROSEBUD | 354 | United States | Jan 1893 | Apr 1966 |
| ROSEBUD | 327 | United States | Dec 1980 | Oct 2013 |
| ROSEBUD | 111 | United States | Dec 1965 | Aug 1975 |
| ROSEBUD | 6 | United States | Apr 1937 | Dec 1937 |
| ROSEBUD 7NW | 103 | United States | Nov 2004 | Sep 2013 |
| ROSEBUD UTAH | 131 | United States | Dec 2002 | Oct 2013 |
| ROSEBURG MUNICIPAL AP | 1632 | United States | Aug 1877 | Oct 2013 |
| ROSEDALE | 246 | Canada | Jun 1967 | Feb 1988 |
| ROSEDALE | 174 | United States | Dec 1905 | Dec 1920 |
| ROSEDALE (TURRETFIELD RESEARCH | 600 | Australia | Jan 1962 | Sep 2013 |
| ROSEDALE 3 NNW | 33 | United States | Jan 2011 | Oct 2013 |
| ROSEGLEN (AMOS) | 128 | United States | Mar 1978 | Sep 1991 |
| ROSEHEARTY | 148 | United Kingdom | Oct 1995 | Feb 2012 |
| ROSEIRES | 481 | Sudan | May 1905 | Dec 1947 |
| ROSELAND | 21 | United States | May 1892 | Sep 1894 |
| ROSEMARY AGDM | 106 | Canada | Jul 2004 | Oct 2013 |
| ROSEMARY AGDM, ALTA | 107 | Canada | Nov 2004 | Oct 2013 |
| ROSEMONT 2 S | 272 | United States | Jun 1945 | Feb 1968 |
| ROSEMOUNT RESEARCH OUTREACH C | 743 | United States | Dec 1950 | Oct 2013 |
| ROSENBERG | 109 | United States | Jan 1951 | Feb 1960 |
| ROSEPINE RESEARCH STN | 424 | United States | May 1901 | Jan 2010 |
| ROSETOWN | 219 | Canada | May 1981 | Jun 2000 |
| ROSETOWN CDA EPF | 497 | Canada | Apr 1937 | Oct 1980 |
| ROSETOWN EAST, SASK | 257 | Canada | Nov 1991 | Oct 2013 |
| ROSETTE | 270 | United States | Jul 1990 | Sep 2013 |
| ROSEVILLE | 454 | Canada | Nov 1972 | Sep 2013 |
| ROSEWAY | 441 | Canada | Dec 1955 | Aug 1995 |
| ROSEWOOD | 87 | United States | May 1894 | Sep 1901 |
| ROSEWORTHY AG COLLE | 137 | Australia | Oct 2001 | Oct 2013 |
| ROSEWORTHY AGRIC COLLEGE | 955 | Australia | Jan 1909 | Feb 1994 |
| ROSEWORTHY AWS | 162 | Australia | Sep 1997 | Sep 2013 |
| ROSHOLT 9 NNE | 757 | United States | Oct 1947 | Sep 2013 |
| ROSIA MONTANA | 180 | Romania | Feb 1985 | Sep 2002 |
| ROSICLARE 5 NW | 541 | United States | Feb 1968 | Oct 2013 |
| ROSIORI DE VEDE | 634 | Romania | Jan 1961 | Oct 2013 |
| ROSKAR | 223 | Sweden | Jan 1961 | Sep 1979 |
| ROSLAVL' | 619 | Russia | Sep 1949 | Oct 2013 |
| ROSLYN | 221 | United States | Feb 1912 | Feb 1931 |
| ROSLYN | 12 | United States | May 1951 | Apr 1952 |
| ROSS | 244 | United States | Sep 1938 | Jul 1961 |
| ROSS | 112 | Canada | Aug 1967 | Aug 1977 |
| ROSS (ELLINTHORP) | 36 | Australia | Jan 1965 | Aug 1968 |
| ROSS (THE BOULEVARDS) | 236 | Australia | Oct 1993 | Sep 2013 |
| ROSS /THE BOULEVARD | 52 | Australia | Oct 1995 | Mar 2012 |
| ROSS DAM | 630 | United States | Sep 1960 | Oct 2013 |
| ROSS NEAR | 160 | United States | Jan 1924 | Jul 1937 |
| ROSS RIVER AIRPORT | 267 | Canada | Feb 1964 | Dec 1994 |
| ROSS RIVER YTG | 10 | Canada | Sep 1993 | Sep 2005 |
| ROSS-ON-WYE | 1176 | United Kingdom | Jun 1877 | Jul 1975 |
| ROSSARDEN (ABERFOYLE) | 88 | Australia | Jul 1965 | May 1977 |
| ROSSARED | 83 | Sweden | Feb 1961 | Jun 1977 |
| ROSSBURN | 326 | Canada | Jun 1955 | Aug 1990 |
| ROSSLAND CITY YARD,BC | 739 | Canada | Jan 1900 | Feb 1998 |
| ROSSLAND MACLEAN | 309 | Canada | Sep 1963 | Feb 1990 |
| ROSSLARE | 566 | Ireland | Jan 1961 | Mar 2008 |
| ROSSO | 631 | Mauritania | Jan 1945 | Oct 2013 |
| ROSSVILLE | 200 | United States | Jul 1908 | May 1926 |
| ROSSWOOD | 240 | Canada | Jun 1973 | Nov 1993 |
| ROST LUFTHAVN | 276 | Norway | Mar 1988 | Oct 2013 |
| ROSTA | 609 | Sweden | Jan 1961 | Dec 2011 |
| ROSTEBO | 187 | Sweden | Jul 1995 | Dec 2011 |
| ROSTHERN | 539 | Canada | Dec 1910 | May 1970 |
| ROSTHERNE NO 2 | 11 | United Kingdom | Dec 2012 | Oct 2013 |
| ROSTOCK E.GERMANY | 430 | Germany | Feb 1832 | Dec 1868 |
| ROSTOCK-WARNEMUENDE | 892 | Germany | Jun 1936 | Oct 2013 |
| ROSTOSHI | 614 | Russia | Jul 1959 | Feb 2011 |
| ROSTOV | 672 | Russia | Jan 1950 | Oct 2013 |
| ROSTOV-NA-DONU U.S.S.R. | 1506 | Russia | Jul 1886 | Oct 2013 |
| ROSTRENEN | 187 | France | Jan 1973 | Sep 1988 |
| ROSWELL | 281 | United States | Apr 1893 | Feb 1950 |
| ROSWELL CLIMAT | 116 | United States | Feb 2004 | Oct 2013 |
| ROSWELL/INDUSTRIAL AIR CENTER, NM | 1440 | United States | Mar 1893 | Oct 2013 |
| ROTA AIRPORT | 169 | Northern Mariana Islands [United States] | Jul 1993 | Oct 2011 |
| ROTA INTL/ROTA ISL | 303 | Northern Mariana Islands [United States] | Mar 1987 | Oct 2013 |
| ROTA NAS | 660 | Spain | Oct 1958 | Oct 2013 |
| ROTAN | 600 | United States | Jun 1962 | Oct 2013 |
| ROTE/LEKUNIK BAA | 159 | Indonesia | Sep 1982 | Oct 2013 |
| ROTENBURG | 281 | Germany | Aug 1942 | Nov 2009 |
| ROTH | 511 | Germany | Feb 1940 | Oct 2013 |
| ROTHAMSTEAD | 1172 | United Kingdom | Jan 1872 | Aug 1969 |
| ROTHIEMAY NEAR | 50 | United States | Oct 1940 | May 1945 |
| ROTHSAY | 622 | United States | Aug 1959 | Aug 2013 |
| ROTTERDAM | 674 | Netherlands | Oct 1956 | Aug 2013 |
| ROTTERDAM THE HAGUE AP | 499 | Netherlands | Jan 1957 | Oct 2013 |
| ROTTERDAM-GEULHAVEN | 79 | Netherlands | Nov 1991 | Jun 1998 |
| ROTTNEST ISLAND LIGHTHOUSE | 1276 | Australia | Jan 1898 | Oct 2013 |
| ROTUMA ISL. | 932 | Fiji | Jan 1933 | Jul 2013 |
| ROTVAER | 132 | Norway | Jan 1973 | Oct 2013 |
| ROUEN-BOOS | 942 | France | Jan 1845 | Oct 2013 |
| ROUGEMONT | 274 | Canada | Jan 1956 | Dec 1984 |
| ROUGEMONT | 98 | United States | Dec 1913 | Jul 1923 |
| ROUGEMONT | 12 | Canada | May 2005 | May 2006 |
| ROUGH AND TUMBLE | 171 | United States | Jan 1999 | Oct 2013 |
| ROUGH RIVER LAKE | 590 | United States | Apr 1964 | Oct 2013 |
| ROUGH ROCK SCHOOL | 35 | United States | May 1966 | Apr 1972 |
| ROUJIANG | 728 | China | Mar 1953 | Oct 2013 |
| ROUND BUTTE 1 NNE | 103 | United States | May 2004 | Jul 2013 |
| ROUND GROVE | 852 | United States | Mar 1920 | Apr 1997 |
| ROUND HARBOUR | 177 | Canada | Nov 1977 | May 1993 |
| ROUND HILL LO | 14 | Canada | May 2004 | Aug 2007 |
| ROUND LAKE 1 SE | 22 | United States | Jan 2011 | Nov 2012 |
| ROUND LAKE ALASKA | 215 | United States | Aug 1992 | Oct 2013 |
| ROUND MOUNTAIN | 254 | United States | Mar 1991 | Sep 2013 |
| ROUND MOUNTAIN OREGON | 258 | United States | May 1990 | Oct 2013 |
| ROUND ROCK | 17 | United States | Jan 1893 | Oct 1895 |
| ROUND SPRING RANGER STN | 116 | United States | Feb 2003 | Oct 2013 |
| ROUNDTOP IDAHO | 52 | United States | Jul 1993 | Sep 2012 |
| ROUNDUP | 1063 | United States | Jul 1914 | Sep 2013 |
| ROUNDUP 15 SW | 99 | United States | Jan 2005 | Sep 2013 |
| ROUSSE | 584 | Bulgaria | Jan 1959 | Oct 2013 |
| ROUX IS ANTARCTICA IS | 22 | Antarctica | Jul 1956 | Jun 1958 |
| ROUYN | 33 | Canada | Jan 2011 | Oct 2013 |
| ROUYN AIRPORT | 50 | Canada | Jan 1973 | Jun 1977 |
| ROUYN NORANDA | 400 | Canada | Jul 1977 | Dec 2010 |
| ROUYN, QUE | 252 | Canada | May 1992 | Oct 2013 |
| ROVANIEMEN MLK MARRASJARVI | 101 | Finland | Jan 1983 | May 1991 |
| ROVANIEMEN MLK MELTAUS | 247 | Finland | Jan 1961 | Jul 1981 |
| ROVANIEMEN MLK PISAVAARA-1 | 62 | Finland | Jul 1963 | Aug 1968 |
| ROVANIEMI AIRPORT | 608 | Finland | Jan 1961 | Oct 2013 |
| ROVANIEMI APUKKA | 647 | Finland | May 1959 | Oct 2013 |
| ROVANIEMI MLK. MARRASJARVI | 11 | Finland | Jun 1991 | May 1992 |
| ROVANIEMI RAUTATIEASEMA | 187 | Finland | Oct 1997 | Oct 2013 |
| ROVER | 28 | Norway | May 2011 | Oct 2013 |
| ROVER OREGON | 37 | United States | Sep 1995 | Oct 2003 |
| ROVINJ/SV.IVAN NA P | 122 | Croatia | Feb 1996 | Sep 2009 |
| ROWAN COUNTY ARPT | 132 | United States | Mar 2002 | Oct 2013 |
| ROWAN GORILLA 1 | 4 | Canada | May 1990 | Aug 1990 |
| ROWAN GORILLA III | 7 | Canada | Dec 1992 | May 1996 |
| ROWAN RESEARCH STN | 344 | United States | Apr 1954 | Dec 1982 |
| ROWE | 50 | United States | Jan 1885 | Apr 1889 |
| ROWLESBURG 1 | 819 | United States | Apr 1942 | Oct 2013 |
| ROWLEY ISLAND & | 288 | Canada | Nov 1957 | Oct 2013 |
| ROWLEY ISLAND, NU | 127 | Canada | Jun 1999 | Oct 2013 |
| ROWLEY PUMP STN | 17 | United States | Jan 1985 | May 1986 |
| ROWLEY SHOALS AWS | 198 | Australia | Jan 1990 | Oct 2013 |
| ROXBORO 7 ESE | 799 | United States | Jan 1893 | Oct 2013 |
| ROXBORO PERSON CO AP | 105 | United States | Aug 2004 | Oct 2013 |
| ROXBOROUGH STATE PARK | 208 | United States | Aug 1995 | Oct 2013 |
| ROXBURY | 649 | United States | Mar 1915 | Sep 1972 |
| ROXBURY | 98 | United States | Aug 1892 | Sep 1901 |
| ROXBURY | 57 | United States | May 1943 | Oct 1949 |
| ROXBY DOWNS (OLYMPIC DAM AEROD | 176 | Australia | Jan 1998 | Sep 2013 |
| ROXBY DOWNS (OLYMPIC DAM) | 43 | Australia | Jul 1992 | Feb 1997 |
| ROY | 915 | United States | Apr 1913 | Aug 2012 |
| ROY | 22 | United States | Aug 1921 | Sep 1924 |
| ROY 24 NE MOBRIDGE | 360 | United States | Apr 1962 | Jul 1993 |
| ROY 8 NE | 756 | United States | Feb 1942 | Apr 2005 |
| ROY LAKE 2 NW | 152 | United States | Oct 1999 | Oct 2013 |
| ROYAL CITY 3 NE | 32 | United States | Aug 1966 | Mar 1969 |
| ROYAL ISLAND | 79 | Canada | Jul 1977 | Apr 1995 |
| ROYAL ISLAND | 69 | Canada | Nov 2007 | Oct 2013 |
| ROYAL ISLAND | 21 | Canada | Mar 1973 | Mar 1975 |
| ROYAL NATAL NAT. PA | 45 | South Africa | Feb 2007 | Aug 2013 |
| ROYAL OAK 2 SSW | 1444 | United States | Jan 1893 | Sep 2013 |
| ROYAL PALM BEACH WEST | 67 | United States | Apr 2002 | Jul 2008 |
| ROYAL PALM RANGER STN | 615 | United States | May 1949 | Sep 2013 |
| ROYAL ROAD | 313 | Canada | Dec 1965 | Feb 1993 |
| ROYAL SOVEREIGN(LH) | 101 | United Kingdom | Jul 1973 | May 1982 |
| ROYAL-OAK-2SSW | 1185 | United States | Nov 1891 | Dec 1990 |
| ROYALTON | 21 | United States | May 1894 | Feb 1896 |
| ROYSTON HILLS NEVADA | 122 | United States | Oct 1986 | Jan 1997 |
| ROZDILNA | 138 | Ukraine | Jan 1950 | May 2004 |
