| Llantrisant to Legionowo | 1,029.41 mi (1,656.68 km) |
| Llantrisant to Legnica | 840.35 mi (1,352.42 km) |
| Llantrisant to Leszno | 852.25 mi (1,371.56 km) |
| Llantrisant to Lezajsk | 1,122.08 mi (1,805.81 km) |
| Llantrisant to Libiaz | 991.44 mi (1,595.57 km) |
| Llantrisant to Lidzbark | 980.63 mi (1,578.17 km) |
| Llantrisant to Lidzbark Warminski | 1,010.76 mi (1,626.66 km) |
| Llantrisant to Limanowa | 1,046.38 mi (1,683.98 km) |
| Llantrisant to Lipno | 954.98 mi (1,536.89 km) |
| Llantrisant to Lobez | 807.67 mi (1,299.82 km) |
| Llantrisant to Lodz | 974.63 mi (1,568.52 km) |
| Llantrisant to Lomianki | 1,029.93 mi (1,657.51 km) |
| Llantrisant to Lomza | 1,073.97 mi (1,728.39 km) |
| Llantrisant to Lowicz | 991.91 mi (1,596.33 km) |
| Llantrisant to Lubaczow | 1,153.35 mi (1,856.14 km) |
