| Houston to Groveton (Virginia) | 1,211.11 mi (1,949.09 km) |
| Houston to Grovetown (Georgia) | 815.11 mi (1,311.79 km) |
| Houston to Guayama (Puerto Rico) | 2,013.89 mi (3,241.05 km) |
| Houston to Guaynabo (Puerto Rico) | 2,000.00 mi (3,218.69 km) |
| Houston to Gulf Shores (Alabama) | 460.96 mi (741.85 km) |
| Houston to Gulfport (Florida) | 780.29 mi (1,255.76 km) |
| Houston to Gulfport (Mississippi) | 380.19 mi (611.85 km) |
| Houston to Gunbarrel (Colorado) | 899.49 mi (1,447.59 km) |
| Houston to Gurnee (Illinois) | 962.92 mi (1,549.68 km) |
| Houston to Guthrie (Oklahoma) | 434.99 mi (700.06 km) |
| Houston to Guttenberg (New Jersey) | 1,419.79 mi (2,284.94 km) |
| Houston to Guymon (Oklahoma) | 592.46 mi (953.47 km) |
| Houston to Hacienda Heights (California) | 1,353.45 mi (2,178.16 km) |
| Houston to Hackensack (New Jersey) | 1,420.74 mi (2,286.47 km) |
| Houston to Hackettstown (New Jersey) | 1,383.21 mi (2,226.07 km) |
