| WAA | Wales Airport | Wales | US |
| WAB | Wabag Airport | Wabag | PG |
| WAC | Waca Airport | Waca | ET |
| WAD | Andriamena Airport | Andriamena | MG |
| WAE | Wadi al Dawaser Airport | Wadi al Dawaser | SA |
| WAF | Wana Airport | Wana | PK |
| WAG | Wanganui Airport | Wanganui | NZ |
| WAH | Wahpeton Airport | Wahpeton | US |
| WAI | Ambalabe Airport | Antsohihy | MG |
| WAJ | Wawoi Falls Airport | Wawoi Falls | PG |
| WAK | Ankazoabo Airport | Ankazoabo | MG |
| WAL | Wallops Flight Center | Chincoteague | US |
| WAM | Ambatondrazaka Airport | Ambatondrazaka | MG |
| WAN | Waverney Airport | Waverney | AU |
| WAO | Wabo Airport | Wabo | PG |
| WAP | Alto Palena Airport | Alto Palena | CL |
| WAQ | Antsalova Airport | Antsalova | MG |
| WAR | Waris Airport | Waris | ID |
| WAS | Metropolitan Area | Washington | US |
| WAT | Waterford Airport | Waterford | IE |
| WAU | Wauchope Airport | Wauchope | AU |
| WAV | Wave Hill Airport | Wave Hill | AU |
| WAW | Frederic Chopin Airport | Warsaw | PL |
| WAX | Zuara Airport | Zuara | LY |
| WAY | Green County Airport | Waynesburg | US |
| WAZ | Warwick Airport | Warwick | AU |
| WBA | Wahai Airport | Seram Island | ID |
| WBB | Stebbins Airport | Stebbins | US |
| WBC | Wapolu Airport | Wapolu | PG |
| WBD | Befandriana Airport | Befandriana | MG |
| WBE | Ankaizina Airport | Bealanana | MG |
| WBG | Jagel Airport | Schleswig | DE |
| WBI | Broker Inn Airport | Boulder | US |
| WBK | West Branch Community Airport | West Branch | US |
| WBM | Wapenamanda Airport | Wapenamanda | PG |
| WBN | Cummings Park Airport | Woburn | US |
| WBO | Antsoa Airport | Beroroha | MG |
| WBQ | Beaver Airport | Beaver | US |
| WBR | Big Rapids Airport | Big Rapids | US |
| WBU | Boulder Municipal Airport | Boulder | US |
| WBW | Wyoming Valle Airport | Wilkes-Barre | US |
| WCA | Gamboa Airport | Castro | CL |
| WCH | Chaiten Airport | Chaiten | CL |
| WCR | Chandalar Airport | Chandalar | US |
| WDA | Wadi Ain Airport | Wadi Ain | YE |
| WDB | Deep Bay Airport | Deep Bay | US |
| WDG | Enid Woodring Municipal Airport | Enid | US |
| WDH | Hosea Kutako International Airport | Windhoek | NA |
| WDI | Wondai Airport | Wondai | AU |
| WDN | Waldron Island Airport | Waldron Island | US |
| WDR | Winder Airport | Winder | US |
| WDY | Kodiak FSS Airport | Kodiak | US |
| WEA | Parker County Airport | Weatherford | US |
| WEC | Railway Station | Wenchang | CN |
| WED | Wedau Airport | Wedau | PG |
| WEF | Weifang Airport | Weifang | CN |
| WEH | Dashuibo Airport | Weihai | CN |
| WEI | Weipa Airport | Weipa | AU |
| WEL | Welkom Airport | Welkom | ZA |
| WEP | Weam Airport | Weam | PG |
| WES | Weasua Airport | Weasua | LR |
| WET | Waghete Airport | Waghete | ID |
| WEW | Wee Waa Airport | Wee Waa | AU |
| WFB | Waterfront Sea Plane Base | Ketchikan | US |
| WFD | Woodford Airport | Woodford | GB |
| WFI | Fianarantsoa Airport | Fianarantsoa | MG |
| WFK | Frenchville Airport | Frenchville | US |
| WGA | Wagga Wagga Airport | Wagga Wagga | AU |
| WGC | Warangal Airport | Warangal | IN |
| WGE | Walgett Airport | Walgett | AU |
| WGF | Off-Line Point | Manama | BH |
| WGO | Winchester Municipal Airport | Winchester | US |
| WGP | Umbu Mehang Kunda Airport | Waingapu | ID |
| WGT | Wangaratta Airport | Wangaratta | AU |
| WGU | Wagau Airport | Wagau | PG |
| WGY | Wagny Airport | Wagny | GA |
| WGZ | Off-Line Point | Manly | AU |
| WHD | Hyder Sea Plane Base | Hyder | US |
| WHF | Wadi Halfa Airport | Wadi Halfa | SD |
| WHH | Hiltons Har H Airport | Boulder | US |
| WHK | Whakatane Airport | Whakatane | NZ |
| WHL | Welshpool Airport | Welshpool | AU |
| WHO | Franz Josef Glacier Airport | Franz Josef Glacier | NZ |
| WHP | Whiteman Airport | Los Angeles | US |
| WHS | Whalsay Airport | Whalsay | GB |
| WHT | Wharton Airport | Wharton | US |
| WHU | Wuhu Airport | Wuhu | CN |
| WIB | Wilbarger County Airport | Wilbarger | US |
| WIC | Wick Airport | Wick | GB |
| WIE | Wiesbaden Air Base | Wiesbaden | DE |
| WIK | Waiheke Island Airport | Waiheke Island | NZ |
| WIL | Wilson Airport | Nairobi | KE |
| WIN | Winton Airport | Winton | AU |
| WIO | Wilcannia Airport | Wilcannia | AU |
| WIR | Wairoa Airport | Wairoa | NZ |
| WIT | Wittenoom Airport | Wittenoom | AU |
| WIU | Witu Airport | Witu | PG |
| WJA | Woja Island Airport | Woja Island | MH |
| WJF | William J Fox Airport | Lancaster | US |
| WJR | Wajir Airport | Wajir | KE |
| WJU | Wonju Airport | Wonju | KR |
| WKA | Wanaka Airport | Wanaka | NZ |
| WKB | Warracknabeal Airport | Warracknabeal | AU |
| WKF | Waterkloof AFB | Pretoria | ZA |
| WKI | Hwange Airport | Hwange | ZW |
| WKJ | Hokkaido Airport | Wakkanai | JP |
| WKK | Aleknagik Airport | Aleknagik | US |
| WKL | Waikoloa Airport | Waikoloa | US |
| WKN | Wakunai Airport | Wakunai | PG |
| WKR | Walkers Cay Airport | Walkers Cay | BS |
| WLA | Wallal Downs Airport | Wallal Downs | AU |
| WLB | Labouchere Bay Airport | Labouchere Bay | US |
| WLC | Walcha Airport | Walcha | AU |
| WLD | Arkansas City Airport | Winfield | US |
| WLE | Miles Airport | Miles | AU |
| WLG | Wellington International Airport | Wellington | NZ |
| WLH | Walaha Airport | Walaha | VU |
| WLK | Selawik Airport | Selawik | US |
| WLL | Wollogorand Airport | Wollogorand | AU |
| WLM | Waltham Airport | Waltham | US |
| WLN | Little Naukati Airport | Little Naukati | US |
| WLO | Waterloo Airport | Waterloo | AU |
| WLP | West Angelas Airport | West Angelas | AU |
| WLR | Loring Airport | Loring | US |
| WLS | Hihifo Airport | Wallis Island | WF |
| WLW | Glenn County Airport | Willows | US |
| WMA | Mandritsara Airport | Mandritsara | MG |
| WMB | Warrnambool Airport | Warrnambool | AU |
| WMC | Winnemucca Airport | Winnemucca | US |
| WMD | Mandabe Airport | Mandabe | MG |
| WME | Mount Keith Airport | Mount Keith | AU |
| WMH | Mountain Home Airport | Mountain Home | US |
| WMI | Modlin Airport | Nowy Dwor Mazowiecki | PL |
| WMK | Meyers Chuck Sea Plane Base | Meyers Chuck | US |
| WML | Malaimbandy Airport | Malaimbandy | MG |
| WMN | Maroantsetra Airport | Maroantsetra | MG |
| WMO | White Mountain Airport | White Mountain | US |
| WMP | Mampikony Airport | Mampikony | MG |
| WMR | Mananara Airport | Mananara Avaratra | MG |
| WMV | Madirovalo Airport | Madirovalo | MG |
| WMX | Wamena Airport | Wamena | ID |
| WNA | Napakiak Sea Plane Base | Napakiak | US |
| WNC | Nichen Cove Sea Plane Base | Tuxekan Island | US |
| WND | Windarra Airport | Windarra | AU |
| WNE | Wora na Yeno Airport | Wora Na Ye | GA |
| WNH | Puzhehei Airport | Wenshan | CN |
| WNN | Wunnummin Lake Airport | Wunnummin Lake | CA |
| WNP | Naga Airport | Naga | PH |
| WNR | Windorah Airport | Windorah | AU |
| WNS | Nawabshah Airport | Nawabshah | PK |
| WNU | Wanuma Airport | Wanuma | PG |
| WNZ | Yongqiang Intl Airport | Wenzhou | CN |
| WOA | Wonenara Airport | Wonenara | PG |
| WOB | Woodbridge RAF | Suttonheath | GB |
| WOD | Wood River Airport | Wood River | US |
| WOE | Woensdrecht Air Base | Bergen Op Zoom | NL |
| WOG | Woodgreen Airport | Woodgreen | AU |
| WOK | Wonken Airport | Wonken | VE |
| WOL | Illawara Airport | Wollongong | AU |
| WON | Wondoola Airport | Wondoola | AU |
| WOO | Woodchopper Airport | Woodchopper | US |
| WOR | Moramba Airport | Ankorefo | MG |
| WOS | Wonson Airport | Wonson | KP |
| WOT | Wang'an Airport | Wang'an | TW |
| WOW | Willow Airport | Willow | US |
| WPA | Puerto Aisen Airport | Puerto Aisen | CL |
| WPB | Port Berge Vaovao Airport | Port Berge Vaovao | MG |
| WPC | Pincher Creek Airport | Pincher Creek | CA |
| WPK | Wrotham Park Airport | Wrotham Park | AU |
| WPL | Powell Lake Airport | Powell Lake | CA |
| WPM | Wipim Airport | Wipim | PG |
| WPO | North Fork Valley Airport | Paonia | US |
| WPR | Porvenir Airport | Porvenir | CL |
| WPS | Off-Line Point | Persepolis | IR |
| WPU | Puerto Williams Airport | Puerto Williams | CL |
| WRA | Warder Airport | Warder | ET |
| WRB | Robins Air Force Base | Macon | US |
| WRE | Whangarei Airport | Whangarei | NZ |
| WRG | Wrangell Airport | Wrangell | US |
| WRH | Wrench Creek Airport | Wrench Creek | US |
| WRI | McGuire Air Force Base | Fort Dix | US |
| WRL | Worland Airport | Worland | US |
| WRN | Windarling Airport | Windarling | AU |
| WRO | Strachowice Airport | Wroclaw | PL |
| WRW | Warrawagine Station Airport | Warrawagine Station | AU |
| WRY | Westray Airport | Westray | GB |
| WRZ | Weerawila Airport | Weerawila | LK |
| WSA | Wasua Airport | Wasua | PG |
| WSB | Steamboat Sea Plane Base | Steamboat Bay | US |
| WSD | Condron Army Air Field | White Sands | US |
| WSE | Off-Line Point | Santa Cecilla | EC |
| WSF | Saricheff Airport | Saricheff | US |
| WSG | County Airport | Washington | US |
| WSH | Brookhaven Airport | Shirley | US |
| WSJ | San Juan Sea Plane Base | San Juan | US |
| WSM | Wiseman Airport | Wiseman | US |
| WSN | South Naknek Airport | South Naknek | US |
| WSO | Washabo Airport | Washabo | SR |
| WSP | Waspam Airport | Waspam | NI |
| WSR | Wasior Airport | Wasior | ID |
| WST | Westerly State Airport | Westerly | US |
| WSU | Wasu Airport | Wasu | PG |
| WSX | Westsound Airport | Westsound | US |
| WSY | Whitsunday Airport | Airlie Beach/Shute Harbour | AU |
| WSZ | Westport Airport | Westport | NZ |
| WTA | Tambohorano Airport | Tambohorano | MG |
| WTC | World Trade Center Airport | New York | US |
| WTD | West End Airport | West End | BS |
| WTE | Wotje Airport | Wotje | MH |
| WTK | Noatak Airport | Noatak | US |
| WTL | Tuntutuliak Airport | Tuntutuliak | US |
| WTN | Royal Air Force Station | Waddington | GB |
| WTO | Wotho Airport | Wotho | MH |
| WTP | Woitape Airport | Woitape | PG |
| WTR | White River Airport | White River | US |
| WTS | Tsiroanomandidy Airport | Tsiroanomandidy | MG |
| WTT | Wantoat Airport | Wantoat | PG |
| WTZ | Whitianga Airport | Whitianga | NZ |
| WUA | Wuhai Airport | Wuhai | CN |
| WUD | Wudinna Airport | Wudinna | AU |
| WUG | Wau Airport | Wau | PG |
| WUH | Tianhe Intl Airport | Wuhan | CN |
| WUI | Murrin Airport | Murrin | AU |
| WUK | Off-Line Point | Hammersmith | GB |
| WUM | West New Britain Airport | Wasum | PG |
| WUN | Wiluna Airport | Wiluna | AU |
| WUS | Fujian Province Airport | Wuyishan | CN |
| WUU | Wau Airport | Wau | SS |
| WUV | Wuvulu Island Airport | Wuvulu Island | PG |
| WUX | Sunan Shuofang Airport | Wuxi | CN |
| WUZ | Changzhoudao Airport | Wuzhou | CN |
| WVB | Walvis Bay Airport | Walvis Bay | NA |
| WVI | Watsonville Airport | Watsonville | US |
| WVK | Manakara Airport | Manakara | MG |
| WVL | Robert Lafleur Airport | Waterville | US |
| WVN | Mariensiel | Wilhelmshaven | DE |
| WWA | Wasilla Airport | Wasilla | US |
| WWD | Cape May County Airport | Wildwood | US |
| WWI | Woodie Woodie Airport | Woodie Woodie | AU |
| WWK | Boram Airport | Wewak | PG |
| WWP | Whale Pass Airport | Whale Pass | US |
| WWR | West Woodward Airport | Woodward | US |
| WWS | USAF Heliport | Wildwood | US |
| WWT | Newtok Airport | Newtok | US |
| WWY | West Wyalong Airport | West Wyalong | AU |
| WXJ | Railway Station | Wanning | CN |
| WXN | Wuqiao Airport | Wanzhou | CN |
| WYA | Whyalla Airport | Whyalla | AU |
| WYB | Yes Bay Sea Plane Base | Yes Bay | US |
| WYE | Yengema Airport | Yengema | SL |
| WYN | Wyndham Airport | Wyndham | AU |
| WYS | Yellowstone Airport | West Yellowstone | US |
| WZY | Paradise Island-Seaplane Base | Nassau | BS |