| Harpenden to Fuente-Alamo de Murcia | 973.55 mi (1,566.77 km) |
| Harpenden to Galapagar | 795.79 mi (1,280.70 km) |
| Harpenden to Galdacano | 604.50 mi (972.85 km) |
| Harpenden to Gandia | 887.94 mi (1,429.00 km) |
| Harpenden to Garrucha | 1,013.60 mi (1,631.23 km) |
| Harpenden to Gava | 734.66 mi (1,182.33 km) |
| Harpenden to Gelves | 1,038.07 mi (1,670.61 km) |
| Harpenden to Getafe | 811.55 mi (1,306.06 km) |
| Harpenden to Gibraleon | 1,048.54 mi (1,687.47 km) |
| Harpenden to Gijon | 623.69 mi (1,003.74 km) |
| Harpenden to Gines | 1,035.23 mi (1,666.04 km) |
| Harpenden to Girona | 695.58 mi (1,119.42 km) |
| Harpenden to Godella | 849.68 mi (1,367.43 km) |
| Harpenden to Gondomar | 777.92 mi (1,251.93 km) |
| Harpenden to Grado | 640.02 mi (1,030.01 km) |
