- Gillespie County AirportIdent: KT82Serves: Fredericksburg
- Gillespie FieldIdent: 66BServes: Meddybemps
- Gillespie FieldIdent: KSEEServes: San Diego/El Cajon
- Gillespie StripIdent: AR82Serves: Leola
- Gillette FieldIdent: OR51Serves: Scio
- Gilliam AirportIdent: LA54Serves: Gilliam
- Gilliam-McConnell AirfieldIdent: 5NC3Serves: Carthage
- Gills' Landing FieldIdent: US-9340Serves: Elkton
- Gilmer County AirportIdent: K49AServes: Ellijay
- Gilmore AirportIdent: II65Serves: Rensselaer
- Gilmour Ag Air AirportIdent: OR86Serves: Jefferson
- Gilstrap FieldIdent: 55OKServes: Inola
- Giltner AirportIdent: II54Serves: Madison
- Gimlin AirportIdent: 18MOServes: Ozark
- Gittleson Farms AirportIdent: 15ILServes: Franklin Grove
- Gizmo FieldIdent: XS55Serves: Malone
- Gjerde International AirportIdent: 5MU5Serves: Drexel
- GK Edwards AirportIdent: OL56Serves: Guthrie
- Glacier Creek AirportIdent: KGZServes: Glacier Creek
- Glacierview StripIdent: AK17Serves: Homer
- Glad Oaks AirportIdent: 2XS3Serves: Palestine
- Gladewater Municipal AirportIdent: K07FServes: Gladewater
- Gladwin Zettel Memorial AirportIdent: KGDWServes: Gladwin
- Glaser FieldIdent: 06TAServes: Buckholts
- Glasgow Industrial AirportIdent: 07MTServes: Glasgow
- Glasgow Municipal AirportIdent: KGLWServes: Glasgow
- Glass AirportIdent: TS74Serves: Sanger
- Glass Ranch AirportIdent: US-0671Serves: Garden City
- Glasscock FieldIdent: 4TS8Serves: D'Hanis
- Glastar AirportIdent: US-5295Serves: Stockton
- Gleim FieldIdent: FD81Serves: Gainesville
- Glen Ullin Regional AirportIdent: KD57Serves: Glen Ullin
- Glen-Aspen AirportIdent: 4CO0Serves: Carbondale
- Glenair AirportIdent: MD46Serves: Dayton
- Glencoe Municipal AirportIdent: KGYLServes: Glencoe
- Glendale FieldIdent: 51TNServes: Columbia
- Glendale Fokker FieldIdent: WV66Serves: Glendale
- Glendale Municipal AirportIdent: KGEUServes: Glendale
- Glenmar AirportIdent: TS11Serves: Campbell
- Glenmar Ranch AirportIdent: UT41Serves: Cedar Fort
- Glenn Winchester AirportIdent: 2AR6Serves: Mineral Springs
- Glenn's Strip UltralightportIdent: LA75Serves: Duson
- Glenndale AirportIdent: 8I3Serves: Kokomo
- Glenwood Municipal AirportIdent: KGHWServes: Glenwood
- Glide Aero AirportIdent: 17ORServes: Glide
- Glidwell Flying Service AirportIdent: MS09Serves: Clarksdale
- Glogen Farms AirportIdent: 2UT9Serves: Wellsville
- Gloster AerodromeIdent: 1XA7Serves: Sealy
- Glover AirportIdent: 45NCServes: Seaboard
- Glover AirportIdent: XS70Serves: Mount Pleasant
- Glowacki AirportIdent: 97GServes: St Johns
- Gnadenhutten AirportIdent: 3OH8Serves: Gnadenhutten
- Gnaws Farm AirportIdent: 96XAServes: Pecos
- Goans FieldIdent: US-6416Serves: Fort Scott
- Goat Hill AirportIdent: NJ79Serves: Lambertville
- Godahavit AirportIdent: 6II8Serves: Wheatland
- Goddard FieldIdent: 04MAServes: Haverhill
- Goddard Ranch AirportIdent: OK85Serves: Ardmore
- Godspeed AirparkIdent: 8MS2Serves: Fulton
- Goebel FieldIdent: 4TS5Serves: Mountain Home