| IATA | ICAO | Airport name | Location |
|---|
| RAB | AYRB | Rabaul Airport | Rabaul, Papua New Guinea |
| RAC | KRAC | John H. Batten Airport | Racine, Wisconsin, United States |
| RAF | | Ras an-Naqb Airport | Ras an-Naqb, Egypt |
| RAI | GVFM | Praia International Airport | Praia, Cape Verde |
| RAJ | VARK | Rajkot Airport | Rajkot, India |
| RAK | GMMX | Menara International Airport | Marrakech, Morocco |
| RAL | KRAL | Riverside Municipal Airport | Riverside, California, United States |
| RAO | SBRP | Leite Lopes Airport | Ribeirão Preto, São Paulo, Brazil |
| RAP | KRAP | Rapid City Regional Airport | Rapid City, South Dakota, United States |
| RAR | NCRG | Rarotonga International Airport | Avarua, Cook Islands |
| RAS | KRAS | Mustang Beach Airport | Port Aransas, Texas, United States |
| RAW | KRAW | Warsaw Municipal Airport | Warsaw, Missouri, United States |
| RBA | GMME | Sale Airport | Rabat, Morocco |
| RBB | SWBR | Borba Airport | Borba, Amazonas, Brazil |
| RBC | YROI | Robinvale Airport | Robinvale, Victoria, Australia |
| RBD | KRBD | Dallas Executive Airport | Dallas, Texas, United States |
| RBE | KRBE | Rock County Airport | Bassett, Nebraska, United States |
| RBG | KRBG | Roseburg Regional Airport | Roseburg, Oregon, United States |
| RBL | KRBL | Red Bluff Municipal Airport | Red Bluff, California, United States |
| RBM | KRBM | Robinson AAF/NG | Camp Robinson/Little Rock, Arkansas, United States |
| RBO | KRBO | Nueces County Airport | Robstown, Texas, United States |
| RBQ | SLRQ | Rurrenabaque Airport | Rurrenabaque, Bolivia |
| RBR | SBRB | Rio Branco International Airport (Presidente Medici Airport) | Rio Branco, Acre, Brazil |
| RBW | KRBW | Lowcountry Regional Airport | Walterboro, South Carolina, United States |
| RBY | PARY | Ruby Airport | Ruby, Alaska, United States |
| RCA | KRCA | Ellsworth AFB | Rapid City, South Dakota, United States |
| RCK | KRCK | H. H. Coffield Regional Airport | Rockdale, Texas, United States |
| RCM | YRMD | Richmond Airport | Richmond, Queensland, Australia |
| RCR | KRCR | Fulton County Airport | Rochester, Indiana, United States |
| RCS | EGTO | Rochester Airport | Kent, United Kingdom |
| RCT | KRCT | Nartron Field | Reed City, Michigan, United States |
| RCX | KRCX | Rusk County Airport | Ladysmith, Wisconsin, United States |
| RDD | KRDD | Redding Municipal Airport | Redding, California, United States |
| RDG | KRDG | Reading Regional Airport (Carl A. Spaatz Field) | Reading, Pennsylvania, United States |
| RDK | KRDK | Red Oak Municipal Airport | Red Oak, Iowa, United States |
| RDM | KRDM | Roberts Field | Redmond, Oregon, United States |
| RDR | KRDR | Grand Forks AFB | Grand Forks, North Dakota, United States |
| RDT | GOSR | Richard Toll Airport | Richard Toll, Senegal |
| RDU | KRDU | Raleigh-Durham International Airport | Morrisville, North Carolina (between Raleigh and Durham), United States |
| RDV | | Red Devil Airport | Red Devil, Alaska, United States |
| RDZ | LFCR | Rodez-Marcillac Airport | Salles-La-Source, Aveyron, France |
| REC | SBRF | Guararapes International Airport | Recife, Brazil |
| RED | KRED | Red Lodge Airport | Red Lodge, Montana, United States |
| REG | LICR | Reggio Calabria Airport | Reggio Calabria, Italy |
| REK | BIRK | Reykjavík Airport | Reykjavík, Iceland |
| REL | SAVT | Almirante Marco Andrés Zar Airport | Trelew, Chubut, Argentina |
| REN | UWOO | Orenburg Tsentralny Airport | Orenburg, Russia |
| REO | KREO | Rome State Airport | Rome, Oregon, United States |
| REP | VDSR | Angkor International Airport | Siem Reap, Cambodia |
| RER | MGRT | Retalhuleu Airport | Retalhuleu, Guatemala |
| RES | SARE | Resistencia International Airport | Resistencia, Chaco, Argentina |
| RET | ENRS | Røst Airport | Røst, Nordland, Norway |
| REU | LERS | Reus Airport | Reus (near Tarragona), Spain |
| REX | MMRX | General Lucio Blanco International Airport | Reynosa, Mexico |
| RFD | KRFD | Chicago Rockford International Airport (Greater Rockford Airport) | Rockford, Illinois, United States |
| RFG | KRFG | Rooke Field | Refugio, Texas, United States |
| RGA | SAWE | Hermes Quijada International Airport | Río Grande, Tierra del Fuego, Argentina |
| RGB | KRGB | Roseburg Regional Airport | Roseburg, Oregon, United States |
| RGK | KRGK | Red Wing Regional Airport | Red Wing, Minnesota, United States |
| RGL | SAWG | Piloto Civil Norberto Fernández International Airport | Río Gallegos, Santa Cruz, Argentina |
| RGN | VYYY | Yangon International Airport | Yangon, Myanmar |
| RGS | LEBG | Burgos Airport | Burgos, Spain |
| RHI | KRHI | Rhinelander-Oneida County Airport | Rhinelander, Wisconsin, United States |
| RHO | LGRP | Rhodes International Airport, "Diagoras" | Rhodes, Greece |
| RHP | KRHP | Andrews-Murphy Airport | Andrews, North Carolina, United States |
| RHV | KRHV | Reid-Hillview Airport of Santa Clara County | San Jose, California, United States |
| RIA | SBSM | Santa Maria Airport | Santa Maria, Rio Grande do Sul, Brazil |
| RIB | SLRI | Riberalta Airport | Riberalta, Bolivia |
| RIC | KRIC | Richmond International Airport | Richmond, Virginia, United States |
| RID | KRID | Richmond Municipal Airport | Richmond, Indiana, United States |
| RIE | KRPD | Rice Lake Regional Airport (aka Carl's Field) | Rice Lake, Wisconsin, United States |
| RIF | KRIF | Richfield Municipal Airport | Richfield, Utah, United States |
| RIK | MRCR | Carrillo Airport | Carrillo, Costa Rica |
| RIL | KRIL | Garfield County Regional Airport | Rifle, Colorado, United States |
| RIO | | All airports | Rio de Janeiro, Brazil |
| RIR | KRIR | Flabob Airport | Riverside/Rubidoux, California, United States |
| RIU | KRIU | Rancho Murieta Airport | Rancho Murieta, California, United States |
| RIV | KRIV | March ARB | Riverside, California, United States |
| RIW | KRIW | Riverton Regional Airport | Riverton, Wyoming, United States |
| RIX | EVRA | Riga International Airport | Riga, Latvia |
| RJD | KRJD | Ridgely Airpark | Ridgely, Maryland, United States |
| RJH | VGRJ | Shah Makhdum Airport | Rajshahi, Bangladesh |
| RJK | LDRI | Riviera Kvarner Airport | Rijeka, Croatia |
| RKC | | Montague Airport-Yreka Rohrer Field | Montague, California, United States |
| RKD | KRKD | Knox County Regional Airport | Rockland, Maine, United States |
| RKE | EKRK | Roskilde Airport | Roskilde (near Copenhagen), Denmark |
| RKP | KRKP | Aransas County Airport | Rockport, Texas, United States |
| RKR | KRKR | Robert S. Kerr Airport | Poteau, Oklahoma, United States |
| RKS | KRKS | Rock Springs-Sweetwater County Airport | Rock Springs, Wyoming, United States |
| RKT | OMRK | Ras Al Khaimah International Airport | Ras Al Khaimah, United Arab Emirates |
| RKV | BIRK | Reykjavík Airport | Reykjavík, Iceland |
| RKW | KRKW | Rockwood Municipal Airport | Rockwood, Tennessee, United States |
| RLA | | Rolla Downtown Airport | Rolla, Missouri, United States |
| RLD | KRLD | Richland Airport | Richland, Washington, United States |
| RLG | ETNL | Rostock Laage Airport | Rostock, Germany |
| RLT | | Arlit Airport | Arlit, Niger |
| RMD | | Ramagundam Airport | Ramagundam, Andhra Pradesh, India |
| RME | KRME | Griffiss Airpark | Rome, New York, United States |
| RMF | HEMA | Marsa Alam | Marsa Alam, Egypt |
| RMG | KRMG | Richard B. Russell Airport | Rome, Georgia, United States |
| RMI | LIPR | Federico Fellini International Airport | Rimini, Italy |
| RMK | YREN | Renmark Airport | Renmark, South Australia |
| RML | VCCC | Ratmalana Airport | Ratmalana, Sri Lanka |
| RMN | KRMN | Stafford Regional Airport | Stafford, Virginia, United States |
| RMP | | Rampart Airport | Rampart, Alaska, United States, |
| RMQ | RCMQ | Taichung Ching Chuan Kang Airport | Taichung, Taiwan, Taiwan, |
| RMS | ETAR | Ramstein Air Base | Ramstein, Germany |
| RMY | KRMY | Brooks Field | Marshall, Michigan, United States |
| RNA | AGAR | Ulawa Airport | Arona, Ulawa Island, Solomon Islands |
| RNC | KRNC | Warren County Memorial Airport | McMinnville, Tennessee, United States |
| RND | KRND | Randolph AFB | Universal City, Texas, United States |
| RNH | KRNH | New Richmond Regional Airport | New Richmond, Wisconsin, United States |
| RNI | MNCI | Corn Island Airport | Corn Island, Nicaragua |
| RNM | KRNM | Ramona Airport | Ramona, California, United States |
| RNN | EKRN | Bornholm Airport | Rønne, Denmark |
| RNO | KRNO | Reno-Tahoe International Airport | Reno, Nevada, United States |
| RNP | KRNP | Owosso Community Airport | Owosso, Michigan, United States |
| RNS | LFRN | St. Jacques Airport | Rennes, France |
| RNT | KRNT | Renton Municipal Airport | Renton, Washington, United States |
| RNV | KRNV | Cleveland Municipal Airport | Cleveland, Mississippi, United States |
| ROA | KROA | Roanoke Regional Airport (Woodrum Field) | Roanoke, Virginia, United States |
| ROB | GLRB | Roberts International Airport | Monrovia, Liberia |
| ROC | KROC | Greater Rochester International Airport | Rochester, New York, United States |
| ROG | KROG | Rogers Municipal Airport (Carter Field) | Rogers, Arkansas, United States |
| ROK | KBRK | Rockhampton Airport | Queensland, Australia |
| ROM | | All Airports | Rome, Italy |
| ROP | PGRO | Rota International Airport | Rota Island, Northern Mariana Islands |
| ROR | PTRO | Babelthuap Airport | Koror, Palau |
| ROS | SAAR | Rosario - Islas Malvinas International Airport | Rosario, Argentina |
| ROT | NZRO | Rotorua Airport | Rotorua, New Zealand |
| ROU | LBRS | Rousse Airport | Rousse, Bulgaria |
| ROV | URRR | Rostov-on-Don Airport | Rostov-on-Don, Russia |
| ROW | KROW | Roswell International Air Center | Roswell, New Mexico, United States |
| ROX | KROX | Roseau Municipal Airport (Rudy Billberg Field) | Roseau, Minnesota, United States |
| RPB | KRPB | Belleville Municipal Airport | Belleville, Kansas, United States |
| RPD | KRPD | Rice Lake Regional Airport (Carl's Field) | Rice Lake, Wisconsin, United States |
| RPH | KRPH | Graham Municipal Airport | Graham, Texas, United States |
| RPJ | KRPJ | Rochelle Municipal Airport (Koritz Field) | Rochelle, Illinois, United States |
| RPN | LLIB | Rosh Pina Airport | Rosh Pina, Israel |
| RPR | VARP | Raipur Airport | Raipur, India |
| RPX | KRPX | Roundup Airport | Roundup, Montana, United States |
| RQB | KRQB | Roben-Hood Airport | Big Rapids, Michigan, United States |
| RQE | KRQE | Window Rock Airport | Window Rock, Arizona, United States |
| RQO | KRQO | El Reno Regional Airport | El Reno, Oklahoma, United States |
| RRG | FIMR | Plaine Corail Airport | Rodrigues Island, Mauritius,[1] |
| RRK | VERK | Rourkela Airport | Rourkela, India |
| RRL | KRRL | Merrill Municipal Airport | Merrill, Wisconsin, United States |
| RRQ | KRRQ | Rock Rapids Municipal Airport | Rock Rapids, Iowa, United States |
| RRS | ENRO | Røros Airport | Røros, Norway |
| RRT | KRRT | Warroad International Airport (Swede Carlson Field) | Warroad, Minnesota, United States |
| RSA | SAZR | Santa Rosa Airport | Santa Rosa, Argentina |
| RSH | PARS | Russian Mission Airport | Russian Mission, Alaska, United States |
| RSL | KRSL | Russell Municipal Airport | Russell, Kansas, United States |
| RSN | KRSN | Ruston Regional Airport | Ruston, Louisiana, United States |
| RST | KRST | Rochester International Airport | Rochester, Minnesota, United States |
| RSV | KRSV | Robinson Municipal Airport | Robinson, Illinois, United States |
| RSW | KRSW | Southwest Florida International Airport | Fort Myers, Florida, United States |
| RTB | MHRO | Juan Manuel Gálvez International Airport | Roatán, Honduras |
| RTC | VARG | Ratnagiri Airport | Ratnagiri |
| RTM | EHRD | Rotterdam Airport | Rotterdam, Netherlands |
| RTN | KRTN | Raton Municipal Airport (Crews Field) | Raton, New Mexico, United States |
| RTO | | Morrow Field | Colton, California, United States |
| RTS | YRTI | Rottnest Island Airport | Rottnest Island, Western Australia |
| RTW | UWSS | Saratov Tsentralny Airport | Saratov, Russia |
| RUA | HUAR | Arua Airport | Arua, Uganda,[2],[3] |
| RUE | KRUE | Russellville Regional Airport | Russellville, Arkansas, United States |
| RUG | KRUG | Rugby Municipal Airport | Rugby, North Dakota, United States |
| RUH | OERK | King Khalid International Airport | Riyadh, Saudi Arabia |
| RUQ | KRUQ | Rowan County Airport | Salisbury, North Carolina, United States |
| RUN | FMEE | Roland Garros Airport | St Denis, Réunion, France |
| RUP | VERU | Rupsi Airport | Rupsi, Meghalaya, India |
| RUR | NTAR | Rurutu Airport | Rurutu, French Polynesia |
| RUT | KRUT | Rutland State Airport | Rutland, Vermont, United States |
| RVE | SKSA | Los Colonizadores Airport | Saravena, Colombia |
| RVJ | KRVJ | Reidsville Municipal Airport (Swinton Smith Field) | Reidsville, Georgia, United States |
| RVK | ENRM | Rørvik Airport, Ryum | Rørvik, Norway |
| RVL | KRVL | Mifflin County Airport | Reedsville, Pennsylvania, United States |
| RVN | EFRN | Rovaniemi Airport | Rovaniemi, Finland |
| RVN | KRVN | Hawkins County Airport | Rogersville, Tennessee, United States |
| RVS | KRVS | Richard Lloyd Jones Jr. Airport | Tulsa, Oklahoma, United States |
| RWF | KRWF | Redwood Falls Municipal Airport | Redwood Falls, Minnesota, United States |
| RWI | KRWI | Rocky Mount-Wilson Regional Airport | Rocky Mount, North Carolina, United States |
| RWL | KRWL | Rawlins Municipal Airport (Harvey Field) | Rawlins, Wyoming, United States |
| RWN | KRWN | Arens Field | Winamac, Indiana, United States |
| RXE | KRXE | Rexburg-Madison County Airport | Rexburg, Idaho, United States |
| RYG | ENRY | Rygge Airport/Rygge Air Station | Rygge, Norway |
| RYM | KRYM | Ray S. Miller AAF/NG | Camp Ripley, Minnesota, United States |
| RYN | KRYN | Ryan Field | Tucson, Arizona, United States |
| RYV | KRYV | Watertown Municipal Airport | Watertown, Wisconsin, United States |
| RYY | KRYY | Cobb County Airport (McCollum Field) | Atlanta, Georgia, United States |
| RZE | EPRZ | Rzeszów-Jasionka Airport | Rzeszów, Poland |
| RZL | KRZL | Jasper County Airport | Rensselaer, Indiana, United States |
| RZN | KRZN | Burnett County Airport | Siren, Wisconsin, United States |
| RZT | KRZT | Ross County Airport | Chillicothe, Ohio, United States |
| RZZ | KRZZ | Halifax County Airport | Roanoke Rapids, North Carolina, United States |