| Harpenden to Lauda-Konigshofen | 466.31 mi (750.45 km) |
| Harpenden to Lauenburg | 470.31 mi (756.89 km) |
| Harpenden to Lauf | 533.02 mi (857.81 km) |
| Harpenden to Laufenburg (Baden) | 476.82 mi (767.37 km) |
| Harpenden to Lauffen am Neckar | 458.30 mi (737.57 km) |
| Harpenden to Lauingen | 526.64 mi (847.55 km) |
| Harpenden to Laupheim | 516.83 mi (831.75 km) |
| Harpenden to Lauterbach | 429.19 mi (690.71 km) |
| Harpenden to Lebach | 359.01 mi (577.77 km) |
| Harpenden to Leer | 342.14 mi (550.62 km) |
| Harpenden to Lehre | 468.84 mi (754.53 km) |
| Harpenden to Lehrte | 439.31 mi (707.01 km) |
| Harpenden to Leichlingen | 320.72 mi (516.14 km) |
| Harpenden to Leimen | 431.50 mi (694.44 km) |
| Harpenden to Leinefelde | 459.16 mi (738.95 km) |
