G
- Gadsen
- Gage
- Gainesville
- Gainseville Regional Airport
- Galbraith Lake
- Galena
- Gallup Municipal Airport
- Galveston
- Gambell
- Garden City
- Gary
- Georgetown
- Gila Bend
- Gillette
- Glasgow
- Glendale
- Glendive Automatic Weather Observing
- Glens Falls
- Goodland
- Goodyear
- Grand Canyon
- Grand Forks Intl Airport
- Grand Island
- Grand Junction
- Grand Marais, The Bay of Grand Marais
- Grand Rapids Automatic System
- Grand Rapids Intl Airport
- Grants Airport
- Great Bend
- Great Falls Intl Airport
- Greely Weld
- Green Bay International Airport
- Greensboro
- Greenville
- Greenville Downtown Airport
- Greenville, Mid Delta Regional Airport
- Greenwood, Greenwood County Airport
- Greenwood Municipal Airport
- Greer
- Grissom AFB
- Groshen
- Groton/New London
- Grove, Grove Municipal Airport
- Gulfport
- Gulkana
- Gunnison
- Gustavus
