| Harpenden to Gottmadingen | 494.86 mi (796.40 km) |
| Harpenden to Graben-Neudorf | 429.52 mi (691.24 km) |
| Harpenden to Grafelfing | 581.70 mi (936.16 km) |
| Harpenden to Grafenhainichen | 546.05 mi (878.78 km) |
| Harpenden to Grafing bei Munchen | 605.54 mi (974.53 km) |
| Harpenden to Grefrath | 289.21 mi (465.44 km) |
| Harpenden to Greifswald | 591.78 mi (952.38 km) |
| Harpenden to Greiz | 548.21 mi (882.26 km) |
| Harpenden to Grenzach-Wyhlen | 463.37 mi (745.72 km) |
| Harpenden to Greven | 339.33 mi (546.11 km) |
| Harpenden to Grevenbroich | 302.90 mi (487.47 km) |
| Harpenden to Grevesmuhlen | 500.50 mi (805.48 km) |
| Harpenden to Griesheim | 411.46 mi (662.18 km) |
| Harpenden to Grimma | 562.81 mi (905.75 km) |
| Harpenden to Grimmen | 578.47 mi (930.95 km) |
