| Harpenden to Agen | 527.89 mi (849.55 km) |
| Harpenden to Aigues-Mortes | 607.70 mi (977.99 km) |
| Harpenden to Aire-sur-la-Lys | 144.15 mi (231.98 km) |
| Harpenden to Aix-en-Provence | 632.71 mi (1,018.24 km) |
| Harpenden to Aix-les-Bains | 510.32 mi (821.27 km) |
| Harpenden to Aizenay | 355.34 mi (571.87 km) |
| Harpenden to Ajaccio | 805.67 mi (1,296.60 km) |
| Harpenden to Albert | 181.28 mi (291.74 km) |
| Harpenden to Albertville | 523.45 mi (842.41 km) |
| Harpenden to Albi | 557.13 mi (896.61 km) |
| Harpenden to Alencon | 234.84 mi (377.94 km) |
| Harpenden to Ales | 569.23 mi (916.09 km) |
| Harpenden to Alfortville | 241.48 mi (388.62 km) |
| Harpenden to Allauch | 645.49 mi (1,038.82 km) |
| Harpenden to Allonnes | 266.91 mi (429.55 km) |
