| Portsmouth to Granada | 949.69 mi (1,528.38 km) |
| Portsmouth to Granadilla de Abona | 1,764.04 mi (2,838.95 km) |
| Portsmouth to Granollers | 655.48 mi (1,054.90 km) |
| Portsmouth to Grinon | 743.62 mi (1,196.74 km) |
| Portsmouth to Guadalajara | 709.87 mi (1,142.43 km) |
| Portsmouth to Guadarrama | 714.77 mi (1,150.31 km) |
| Portsmouth to Guadix | 938.58 mi (1,510.50 km) |
| Portsmouth to Guardamar del Segura | 878.85 mi (1,414.38 km) |
| Portsmouth to Guernica y Luno | 522.73 mi (841.25 km) |
| Portsmouth to Guia de Isora | 1,762.74 mi (2,836.85 km) |
| Portsmouth to Guillena | 948.89 mi (1,527.10 km) |
| Portsmouth to Guimar | 1,747.30 mi (2,812.01 km) |
| Portsmouth to Hellin | 849.59 mi (1,367.29 km) |
| Portsmouth to Herencia | 797.95 mi (1,284.18 km) |
| Portsmouth to Hernani | 522.53 mi (840.94 km) |
