| Llantrisant to Les Sorinieres | 314.71 mi (506.48 km) |
| Llantrisant to Lescar | 584.21 mi (940.20 km) |
| Llantrisant to Lesquin | 289.10 mi (465.27 km) |
| Llantrisant to Levallois-Perret | 309.88 mi (498.70 km) |
| Llantrisant to Lezignan-Corbieres | 643.28 mi (1,035.26 km) |
| Llantrisant to Libourne | 479.63 mi (771.89 km) |
| Llantrisant to Lieusaint | 330.55 mi (531.98 km) |
| Llantrisant to Lievin | 278.52 mi (448.23 km) |
| Llantrisant to Lille | 286.17 mi (460.55 km) |
| Llantrisant to Lillebonne | 221.37 mi (356.27 km) |
| Llantrisant to Lillers | 263.13 mi (423.46 km) |
| Llantrisant to Limay | 286.17 mi (460.55 km) |
| Llantrisant to Limeil-Brevannes | 323.43 mi (520.51 km) |
| Llantrisant to Limoges | 447.23 mi (719.75 km) |
| Llantrisant to Limoux | 641.72 mi (1,032.75 km) |
