| Harpenden to Lubeck | 481.42 mi (774.77 km) |
| Harpenden to Luchow | 490.90 mi (790.02 km) |
| Harpenden to Luckau | 599.76 mi (965.22 km) |
| Harpenden to Luckenwalde | 575.17 mi (925.65 km) |
| Harpenden to Ludenscheid | 345.67 mi (556.30 km) |
| Harpenden to Ludinghausen | 332.59 mi (535.24 km) |
| Harpenden to Ludwigsburg | 466.13 mi (750.16 km) |
| Harpenden to Ludwigsfelde | 578.67 mi (931.28 km) |
| Harpenden to Ludwigshafen | 417.12 mi (671.29 km) |
| Harpenden to Ludwigslust | 507.75 mi (817.14 km) |
| Harpenden to Lugde | 409.33 mi (658.76 km) |
| Harpenden to Luneburg | 462.76 mi (744.74 km) |
| Harpenden to Lunen | 336.97 mi (542.30 km) |
| Harpenden to Lutzen | 537.65 mi (865.27 km) |
| Harpenden to Magdeburg | 510.27 mi (821.20 km) |
