| Harpenden to Leinfelden-Echterdingen | 471.26 mi (758.42 km) |
| Harpenden to Leingarten | 454.83 mi (731.98 km) |
| Harpenden to Leipzig | 546.78 mi (879.95 km) |
| Harpenden to Lemgo | 394.76 mi (635.30 km) |
| Harpenden to Lengede | 453.73 mi (730.21 km) |
| Harpenden to Lengerich | 350.34 mi (563.81 km) |
| Harpenden to Lenggries | 603.29 mi (970.91 km) |
| Harpenden to Lennestadt | 365.36 mi (587.99 km) |
| Harpenden to Leonberg | 462.36 mi (744.09 km) |
| Harpenden to Leopoldshohe | 385.78 mi (620.85 km) |
| Harpenden to Leuna | 531.71 mi (855.71 km) |
| Harpenden to Leutenbach | 474.35 mi (763.38 km) |
| Harpenden to Leutkirch im Allgau | 537.73 mi (865.40 km) |
| Harpenden to Leverkusen | 320.50 mi (515.80 km) |
| Harpenden to Lich | 407.07 mi (655.12 km) |
