| Hemel Hempstead to Granada | 1,018.52 mi (1,639.15 km) |
| Hemel Hempstead to Granadilla de Abona | 1,833.41 mi (2,950.58 km) |
| Hemel Hempstead to Granollers | 712.85 mi (1,147.23 km) |
| Hemel Hempstead to Grinon | 813.18 mi (1,308.68 km) |
| Hemel Hempstead to Guadalajara | 778.86 mi (1,253.46 km) |
| Hemel Hempstead to Guadarrama | 784.60 mi (1,262.69 km) |
| Hemel Hempstead to Guadix | 1,006.99 mi (1,620.59 km) |
| Hemel Hempstead to Guardamar del Segura | 944.06 mi (1,519.31 km) |
| Hemel Hempstead to Guernica y Luno | 591.74 mi (952.31 km) |
| Hemel Hempstead to Guia de Isora | 1,832.00 mi (2,948.32 km) |
| Hemel Hempstead to Guillena | 1,019.28 mi (1,640.38 km) |
| Hemel Hempstead to Guimar | 1,816.70 mi (2,923.70 km) |
| Hemel Hempstead to Hellin | 916.39 mi (1,474.79 km) |
| Hemel Hempstead to Herencia | 866.90 mi (1,395.14 km) |
| Hemel Hempstead to Hernani | 590.43 mi (950.21 km) |
