| Cities | Distance |
|---|---|
| Harpenden to Legionowo | 898.78 mi (1,446.45 km) |
| Harpenden to Legnica | 709.76 mi (1,142.24 km) |
| Harpenden to Leszno | 721.38 mi (1,160.94 km) |
| Harpenden to Lezajsk | 991.54 mi (1,595.73 km) |
| Harpenden to Libiaz | 861.50 mi (1,386.45 km) |
| Harpenden to Lidzbark | 850.73 mi (1,369.11 km) |
| Harpenden to Lidzbark Warminski | 882.15 mi (1,419.69 km) |
| Harpenden to Limanowa | 916.66 mi (1,475.22 km) |
| Harpenden to Lipno | 824.62 mi (1,327.10 km) |
| Harpenden to Lobez | 678.39 mi (1,091.76 km) |
| Harpenden to Lodz | 843.76 mi (1,357.90 km) |
| Harpenden to Lomianki | 899.27 mi (1,447.23 km) |
| Harpenden to Lomza | 944.05 mi (1,519.30 km) |
| Harpenden to Lowicz | 861.12 mi (1,385.83 km) |
| Harpenden to Lubaczow | 1,022.81 mi (1,646.06 km) |