| Merthyr Tudful to Magstadt | 582.60 mi (937.60 km) |
| Merthyr Tudful to Mainaschaff | 556.13 mi (895.00 km) |
| Merthyr Tudful to Mainburg | 702.31 mi (1,130.25 km) |
| Merthyr Tudful to Maintal | 542.17 mi (872.54 km) |
| Merthyr Tudful to Mainz | 521.56 mi (839.37 km) |
| Merthyr Tudful to Maisach | 693.32 mi (1,115.79 km) |
| Merthyr Tudful to Maisenhausen | 551.54 mi (887.61 km) |
| Merthyr Tudful to Malente | 602.32 mi (969.34 km) |
| Merthyr Tudful to Malsch | 552.56 mi (889.26 km) |
| Merthyr Tudful to Manching | 688.44 mi (1,107.94 km) |
| Merthyr Tudful to Mannheim | 541.43 mi (871.35 km) |
| Merthyr Tudful to Mansfeld | 634.60 mi (1,021.29 km) |
| Merthyr Tudful to Marbach am Neckar | 588.84 mi (947.64 km) |
| Merthyr Tudful to Marburg | 528.41 mi (850.40 km) |
| Merthyr Tudful to Marienberg | 718.28 mi (1,155.96 km) |
