| Harpenden to Lormont | 479.45 mi (771.60 km) |
| Harpenden to Loudeac | 273.11 mi (439.54 km) |
| Harpenden to Lourdes | 602.84 mi (970.17 km) |
| Harpenden to Louviers | 191.75 mi (308.60 km) |
| Harpenden to Louvres | 229.19 mi (368.84 km) |
| Harpenden to Luce | 246.95 mi (397.42 km) |
| Harpenden to Lucon | 372.35 mi (599.23 km) |
| Harpenden to Lunel | 599.57 mi (964.91 km) |
| Harpenden to Luneville | 376.07 mi (605.23 km) |
| Harpenden to Lyon | 480.38 mi (773.09 km) |
| Harpenden to Lys-les-Lannoy | 173.38 mi (279.03 km) |
| Harpenden to Macon | 447.04 mi (719.43 km) |
| Harpenden to Magny-le-Hongre | 247.25 mi (397.92 km) |
| Harpenden to Magny-les-Hameaux | 239.27 mi (385.07 km) |
| Harpenden to Mainvilliers | 245.93 mi (395.79 km) |
