| Harpenden to Lanester | 310.09 mi (499.04 km) |
| Harpenden to Lannion | 253.34 mi (407.71 km) |
| Harpenden to Laon | 233.49 mi (375.76 km) |
| Harpenden to Lattes | 603.10 mi (970.59 km) |
| Harpenden to Launaguet | 568.86 mi (915.50 km) |
| Harpenden to Laval | 259.36 mi (417.40 km) |
| Harpenden to Lavaur | 569.87 mi (917.11 km) |
| Harpenden to Laxou | 359.51 mi (578.57 km) |
| Harpenden to Le Beausset | 660.62 mi (1,063.17 km) |
| Harpenden to Le Blanc-Mesnil | 234.34 mi (377.14 km) |
| Harpenden to Le Bourget | 233.74 mi (376.17 km) |
| Harpenden to Le Bouscat | 480.50 mi (773.29 km) |
| Harpenden to Le Cannet | 663.83 mi (1,068.34 km) |
| Harpenden to Le Chambon-Feugerolles | 492.20 mi (792.13 km) |
| Harpenden to Le Chesnay | 234.23 mi (376.96 km) |
