| Merthyr Tudful to Les Sorinieres | 328.12 mi (528.05 km) |
| Merthyr Tudful to Lescar | 597.68 mi (961.87 km) |
| Merthyr Tudful to Lesquin | 292.11 mi (470.10 km) |
| Merthyr Tudful to Levallois-Perret | 317.94 mi (511.68 km) |
| Merthyr Tudful to Lezignan-Corbieres | 655.55 mi (1,055.00 km) |
| Merthyr Tudful to Libourne | 492.85 mi (793.16 km) |
| Merthyr Tudful to Lieusaint | 338.84 mi (545.31 km) |
| Merthyr Tudful to Lievin | 282.26 mi (454.25 km) |
| Merthyr Tudful to Lille | 289.09 mi (465.24 km) |
| Merthyr Tudful to Lillebonne | 230.20 mi (370.48 km) |
| Merthyr Tudful to Lillers | 266.62 mi (429.09 km) |
| Merthyr Tudful to Limay | 294.64 mi (474.18 km) |
| Merthyr Tudful to Limeil-Brevannes | 331.57 mi (533.61 km) |
| Merthyr Tudful to Limoges | 459.38 mi (739.30 km) |
| Merthyr Tudful to Limoux | 654.26 mi (1,052.94 km) |
