| Harpenden to Geilenkirchen | 285.07 mi (458.77 km) |
| Harpenden to Geisenfeld | 570.41 mi (917.99 km) |
| Harpenden to Geisenheim | 383.75 mi (617.58 km) |
| Harpenden to Geislingen an der Steige | 500.73 mi (805.85 km) |
| Harpenden to Geldern | 287.10 mi (462.04 km) |
| Harpenden to Gelnhausen | 428.30 mi (689.29 km) |
| Harpenden to Gelsenkirchen | 319.90 mi (514.83 km) |
| Harpenden to Gengenbach | 439.23 mi (706.88 km) |
| Harpenden to Genthin | 532.10 mi (856.32 km) |
| Harpenden to Georgsmarienhutte | 358.83 mi (577.49 km) |
| Harpenden to Gera | 539.87 mi (868.83 km) |
| Harpenden to Geretsried | 592.21 mi (953.07 km) |
| Harpenden to Gerlingen | 464.46 mi (747.47 km) |
| Harpenden to Germering | 578.72 mi (931.37 km) |
| Harpenden to Germersheim | 422.75 mi (680.35 km) |
