| Houston to Gaffney (South Carolina) | 879.23 mi (1,414.99 km) |
| Houston to Gages Lake (Illinois) | 960.73 mi (1,546.15 km) |
| Houston to Gahanna (Ohio) | 1,000.10 mi (1,609.50 km) |
| Houston to Gainesville (Florida) | 782.13 mi (1,258.72 km) |
| Houston to Gainesville (Georgia) | 744.48 mi (1,198.13 km) |
| Houston to Gainesville (Texas) | 285.60 mi (459.63 km) |
| Houston to Gainesville (Virginia) | 1,186.05 mi (1,908.77 km) |
| Houston to Gaithersburg (Maryland) | 1,216.83 mi (1,958.30 km) |
| Houston to Galena Park (Texas) | 9.73 mi (15.65 km) |
| Houston to Galesburg (Illinois) | 821.07 mi (1,321.38 km) |
| Houston to Galion (Ohio) | 1,036.42 mi (1,667.95 km) |
| Houston to Gallatin (Tennessee) | 687.91 mi (1,107.09 km) |
| Houston to Gallup (New Mexico) | 870.92 mi (1,401.60 km) |
| Houston to Galt (California) | 1,588.62 mi (2,556.64 km) |
| Houston to Galveston (Texas) | 47.68 mi (76.73 km) |
