| Houston to Fuente-Alamo de Murcia | 5,202.62 mi (8,372.81 km) |
| Houston to Galapagar | 4,982.39 mi (8,018.38 km) |
| Houston to Galdacano | 4,961.47 mi (7,984.72 km) |
| Houston to Gandia | 5,213.28 mi (8,389.96 km) |
| Houston to Garrucha | 5,188.58 mi (8,350.21 km) |
| Houston to Gava | 5,242.49 mi (8,436.97 km) |
| Houston to Gelves | 4,975.51 mi (8,007.30 km) |
| Houston to Getafe | 5,003.11 mi (8,051.73 km) |
| Houston to Gibraleon | 4,926.50 mi (7,928.43 km) |
| Houston to Gijon | 4,821.53 mi (7,759.50 km) |
| Houston to Gines | 4,970.90 mi (7,999.89 km) |
| Houston to Girona | 5,258.04 mi (8,462.00 km) |
| Houston to Godella | 5,185.23 mi (8,344.82 km) |
| Houston to Gondomar | 4,713.77 mi (7,586.09 km) |
| Houston to Grado | 4,807.99 mi (7,737.72 km) |
