| Merthyr Tudful to Lubeck | 604.42 mi (972.73 km) |
| Merthyr Tudful to Luchow | 617.79 mi (994.24 km) |
| Merthyr Tudful to Luckau | 728.84 mi (1,172.95 km) |
| Merthyr Tudful to Luckenwalde | 704.01 mi (1,132.99 km) |
| Merthyr Tudful to Ludenscheid | 474.76 mi (764.05 km) |
| Merthyr Tudful to Ludinghausen | 461.99 mi (743.49 km) |
| Merthyr Tudful to Ludwigsburg | 587.45 mi (945.42 km) |
| Merthyr Tudful to Ludwigsfelde | 707.18 mi (1,138.09 km) |
| Merthyr Tudful to Ludwigshafen | 540.31 mi (869.55 km) |
| Merthyr Tudful to Ludwigslust | 633.46 mi (1,019.45 km) |
| Merthyr Tudful to Lugde | 538.52 mi (866.67 km) |
| Merthyr Tudful to Luneburg | 588.49 mi (947.08 km) |
| Merthyr Tudful to Lunen | 466.39 mi (750.59 km) |
| Merthyr Tudful to Lutzen | 667.08 mi (1,073.56 km) |
| Merthyr Tudful to Magdeburg | 639.12 mi (1,028.56 km) |
