| Llantrisant to Lormont | 478.64 mi (770.29 km) |
| Llantrisant to Loudeac | 234.08 mi (376.72 km) |
| Llantrisant to Lourdes | 603.94 mi (971.95 km) |
| Llantrisant to Louviers | 256.57 mi (412.91 km) |
| Llantrisant to Louvres | 311.56 mi (501.41 km) |
| Llantrisant to Luce | 303.54 mi (488.50 km) |
| Llantrisant to Lucon | 365.44 mi (588.12 km) |
| Llantrisant to Lunel | 645.54 mi (1,038.89 km) |
| Llantrisant to Luneville | 482.70 mi (776.83 km) |
| Llantrisant to Lyon | 547.26 mi (880.73 km) |
| Llantrisant to Lys-les-Lannoy | 292.01 mi (469.95 km) |
| Llantrisant to Macon | 518.70 mi (834.76 km) |
| Llantrisant to Magny-le-Hongre | 330.23 mi (531.45 km) |
| Llantrisant to Magny-les-Hameaux | 310.30 mi (499.37 km) |
| Llantrisant to Mainvilliers | 302.70 mi (487.14 km) |
