| Houston to Granada | 5,100.62 mi (8,208.66 km) |
| Houston to Granadilla de Abona | 4,663.64 mi (7,505.40 km) |
| Houston to Granollers | 5,245.98 mi (8,442.59 km) |
| Houston to Grinon | 4,999.92 mi (8,046.59 km) |
| Houston to Guadalajara | 5,020.59 mi (8,079.86 km) |
| Houston to Guadarrama | 4,975.50 mi (8,007.29 km) |
| Houston to Guadix | 5,120.20 mi (8,240.17 km) |
| Houston to Guardamar del Segura | 5,217.76 mi (8,397.18 km) |
| Houston to Guernica y Luno | 4,967.26 mi (7,994.03 km) |
| Houston to Guia de Isora | 4,650.16 mi (7,483.71 km) |
| Houston to Guillena | 4,968.19 mi (7,995.53 km) |
| Houston to Guimar | 4,668.05 mi (7,512.49 km) |
| Houston to Hellin | 5,154.70 mi (8,295.70 km) |
| Houston to Herencia | 5,048.33 mi (8,124.50 km) |
| Houston to Hernani | 5,000.74 mi (8,047.92 km) |
