| Merthyr Tudful to Leinfelden-Echterdingen | 591.38 mi (951.73 km) |
| Merthyr Tudful to Leingarten | 577.35 mi (929.15 km) |
| Merthyr Tudful to Leipzig | 676.20 mi (1,088.24 km) |
| Merthyr Tudful to Lemgo | 523.86 mi (843.08 km) |
| Merthyr Tudful to Lengede | 582.51 mi (937.46 km) |
| Merthyr Tudful to Lengerich | 479.21 mi (771.22 km) |
| Merthyr Tudful to Lenggries | 722.92 mi (1,163.42 km) |
| Merthyr Tudful to Lennestadt | 494.38 mi (795.62 km) |
| Merthyr Tudful to Leonberg | 582.83 mi (937.97 km) |
| Merthyr Tudful to Leopoldshohe | 514.91 mi (828.66 km) |
| Merthyr Tudful to Leuna | 661.14 mi (1,064.00 km) |
| Merthyr Tudful to Leutenbach | 595.97 mi (959.12 km) |
| Merthyr Tudful to Leutkirch im Allgau | 654.94 mi (1,054.03 km) |
| Merthyr Tudful to Leverkusen | 449.05 mi (722.67 km) |
| Merthyr Tudful to Lich | 534.95 mi (860.91 km) |
