| Merthyr Tudful to Lauda-Konigshofen | 591.50 mi (951.92 km) |
| Merthyr Tudful to Lauenburg | 595.54 mi (958.43 km) |
| Merthyr Tudful to Lauf | 659.38 mi (1,061.17 km) |
| Merthyr Tudful to Laufenburg (Baden) | 586.67 mi (944.16 km) |
| Merthyr Tudful to Lauffen am Neckar | 580.53 mi (934.28 km) |
| Merthyr Tudful to Lauingen | 648.39 mi (1,043.49 km) |
| Merthyr Tudful to Laupheim | 635.90 mi (1,023.38 km) |
| Merthyr Tudful to Lauterbach | 557.59 mi (897.36 km) |
| Merthyr Tudful to Lebach | 478.83 mi (770.60 km) |
| Merthyr Tudful to Leer | 466.65 mi (751.00 km) |
| Merthyr Tudful to Lehre | 597.41 mi (961.43 km) |
| Merthyr Tudful to Lehrte | 567.79 mi (913.76 km) |
| Merthyr Tudful to Leichlingen | 449.48 mi (723.37 km) |
| Merthyr Tudful to Leimen | 554.39 mi (892.20 km) |
| Merthyr Tudful to Leinefelde | 588.58 mi (947.23 km) |
