- Grazzanise Air BaseIdent: LIRMCountry: Italy
- Great Falls International AirportIdent: KGTFCountry: United States
- Great Harbour Cay AirportIdent: MYBGCountry: Bahamas
- Greater Binghamton/Edwin A Link fieldIdent: KBGMCountry: United States
- Greater Kankakee AirportIdent: KIKKCountry: United States
- Greater Moncton Roméo LeBlanc International AirportIdent: CYQMCountry: Canada
- Greenbrier Valley AirportIdent: KLWBCountry: United States
- Greenville Downtown AirportIdent: KGMUCountry: United States
- Greenville-Spartanburg International AirportIdent: KGSPCountry: United States
- Greenville/Sinoe AirportIdent: GLGECountry: Liberia
- Greenwood–Leflore AirportIdent: KGWOCountry: United States
- Gregorio Luperon International AirportIdent: MDPPCountry: Dominican Republic
- Grenchen AirfieldIdent: LSZGCountry: Switzerland
- Grenoble Alpes Isère AirportIdent: LFLSCountry: France
- Griffiss International AirportIdent: KRMECountry: United States
- Griffith AirportIdent: YGTHCountry: Australia
- Grissom Air Reserve BaseIdent: KGUSCountry: United States
- Groote Eylandt AirportIdent: YGTECountry: Australia
- Grootfontein AirportIdent: FYGFCountry: Namibia
- Grosseto Corrado Baccarini Air Base / Grosseto AirportIdent: LIRSCountry: Italy
- Groton New London AirportIdent: KGONCountry: United States
- Grímsey AirportIdent: BIGRCountry: Iceland
- Guajará-Mirim AirportIdent: SBGMCountry: Brazil
- Gualeguaychu AirportIdent: SAAGCountry: Argentina
- Guanare AirportIdent: SVGUCountry: Venezuela
- Guanghan AirportIdent: ZUGHCountry: China
- Guangyuan Panlong AirportIdent: ZUGUCountry: China
- Guangzhou MR Air Base / Guanghua AirportIdent: ZHGHCountry: China
- Guapi AirportIdent: SKGPCountry: Colombia
- Guapiles AirportIdent: MRGPCountry: Costa Rica
- Guardia Marina Zañartu AirportIdent: SCGZCountry: Chile
- Guasdualito AirportIdent: SVGDCountry: Venezuela
- Guayaramerín AirportIdent: SLGMCountry: Bolivia
- Gudauta Air BaseIdent: UG0UCountry: Georgia
- Guemar Airport - مطار قمار بالواديIdent: DAUOCountry: Algeria
- Guernsey AirportIdent: EGJBCountry: Guernsey
- Guidonia Air BaseIdent: LIRGCountry: Italy
- Guillermo León Valencia AirportIdent: SKPPCountry: Colombia
- Guiping Mengxu Air BaseIdent: CN-0063Country: China
- Guiria AirportIdent: SVGICountry: Venezuela
- Gulfport Biloxi International AirportIdent: KGPTCountry: United States
- Gulkana AirportIdent: PAGKCountry: United States
- Gulu AirportIdent: HUGUCountry: Uganda
- Gunnedah AirportIdent: YGDHCountry: Australia
- Gunnison Crested Butte Regional AirportIdent: KGUCCountry: United States
- Gunsan Airport / Gunsan Air BaseIdent: RKJKCountry: South Korea
- Guodu Air BaseIdent: CN-0083Country: China
- Gurayat Domestic AirportIdent: OEGTCountry: Saudi Arabia
- Gurney AirportIdent: AYGNCountry: Papua New Guinea
- Gusau AirportIdent: DNGUCountry: Nigeria
- Gustavo Artunduaga Paredes AirportIdent: SKFLCountry: Colombia
- Gustavo Rizo AirportIdent: MUBACountry: Cuba
- Gustavo Vargas AirportIdent: SKTMCountry: Colombia
- Gustavus AirportIdent: PAGSCountry: United States
- Guymon Municipal AirportIdent: KGUYCountry: United States
- Guyuan Liupanshan AirportIdent: ZLGYCountry: China
- Gvardeyskoye (Hvardiiske) Air BaseIdent: UKFGCountry: Ukraine
- Gwalior AirportIdent: VIGRCountry: India
- Gwangju AirportIdent: RKJJCountry: South Korea
- Győr-Pér AirportIdent: LHPRCountry: Hungary