| - | - | Geneva Municipal | Geneva | |
| - | - | Genoa Municipal | Genoa | |
| AIV | KAIV | George Downer Airport | Aliceville | |
| BXA | KBXA | George R. Carr Airport | Bogalusa | |
| - | - | Georgetown | Georgetown | |
| - | - | Geraldine | Geraldine | |
| - | - | Germack | Geneva | |
| GTY | - | Gettysburg Airport | Gettysburg | |
| - | - | Gettysburg Municipal | Gettysburg | |
| - | KTGC | Gibson Co | Trenton | |
| - | - | Giddings-Lee Co | Giddings | |
| - | - | Gideon Memorial | Gideon | |
| - | - | Giermek Executive | Olean | |
| - | - | Gila Bend Municipal | Gila Bend | |
| GIF | KGIF | Gilbert Field Airport | Winter Haven | |
| - | - | Gillespie | Meddybemps | |
| - | - | Gilmer Co | Ellijay | |
| - | - | Gilmore | Pleasanton | |
| - | - | Girdwood | Girdwood | |
| KGZ | - | Glacier Creek Airport | Glacier Creek | |
| - | - | Gladewater Municipal | Gladewater | |
| - | - | Gladstone | Gladstone | |
| GDW | KGDW | Gladwin Airport | Gladwin | |
| GLW | KGLW | Glasgow Municipal Airport | Glasgow | |
| - | - | Glen Ullin Municipal | Glen Ullin | |
| - | KGYL | Glencoe Municipal | Glencoe | |
| JGX | - | Glendale Heliport | Glendale | |
| - | KGEU | Glendale Municipal Airport | Glendale | |
| GLQ | - | Glennallen Airport | Glennallen | |
| - | - | Glenndale | Kokomo | |
| - | - | Glenns Ferry Municipal | Glenns Ferry | |
| - | KGHW | Glenwood Municipal | Glenwood | |
| GWS | KGWS | Glenwood Springs Municipal | Glenwood Springs | |
| - | - | Glenwood-Catron Co | Glenwood | |
| - | - | Glowacki | St Johns | |
| FTK | KFTK | Godman Army Air Field | Fort Knox | |
| - | - | Goetz Co | Onaway | |
| - | - | Goheen | Battle Ground | |
| GDH | - | Gold Horn SPB | Golden Horn | |
| - | - | Goldendale | Goldendale | |
| - | - | Goldfield | Goldfield | |
| - | KGWW | Goldsboro-Wayne Municipal Airport | Goldsboro | |
| - | - | Gonzales Municipal | Gonzales | |
| GOF | - | Goodfellow Air Force Base | San Angelo | |
| GNG | KGNG | Gooding Airport | Gooding | |
| - | - | Goodspeed | East Haddam | |
| - | - | Goose Bay | Goose Bay | |
| - | - | Goose Creek | Indian Trail | |
| GVE | KGVE | Gordonsville Municipal Airport | Gordonsville | |
| - | - | Gorham | Gorham | |