| Harpenden to Ambares-et-Lagrave | 476.29 mi (766.51 km) |
| Harpenden to Amberieu-en-Bugey | 480.50 mi (773.29 km) |
| Harpenden to Amboise | 310.23 mi (499.26 km) |
| Harpenden to Amiens | 176.25 mi (283.65 km) |
| Harpenden to Amilly | 299.72 mi (482.35 km) |
| Harpenden to Amneville | 335.27 mi (539.57 km) |
| Harpenden to Andernos-les-Bains | 490.00 mi (788.59 km) |
| Harpenden to Andresy | 222.88 mi (358.69 km) |
| Harpenden to Angers | 300.27 mi (483.24 km) |
| Harpenden to Anglet | 578.25 mi (930.61 km) |
| Harpenden to Angouleme | 426.77 mi (686.82 km) |
| Harpenden to Aniche | 187.14 mi (301.18 km) |
| Harpenden to Annappes | 172.41 mi (277.46 km) |
| Harpenden to Annecy | 502.71 mi (809.03 km) |
| Harpenden to Annecy-le-Vieux | 502.76 mi (809.12 km) |
