| Merthyr Tudful to Malkara | 1,611.76 mi (2,593.87 km) |
| Merthyr Tudful to Manavgat | 1,981.24 mi (3,188.49 km) |
| Merthyr Tudful to Manisa | 1,732.98 mi (2,788.95 km) |
| Merthyr Tudful to Mardin | 2,345.45 mi (3,774.64 km) |
| Merthyr Tudful to Marmara Ereglisi | 1,651.96 mi (2,658.57 km) |
| Merthyr Tudful to Mazidagi | 2,327.62 mi (3,745.94 km) |
| Merthyr Tudful to Mecitozu | 1,978.71 mi (3,184.42 km) |
| Merthyr Tudful to Menderes | 1,738.77 mi (2,798.29 km) |
| Merthyr Tudful to Menemen | 1,720.05 mi (2,768.16 km) |
| Merthyr Tudful to Meram | 1,974.15 mi (3,177.09 km) |
| Merthyr Tudful to Mersin | 2,112.11 mi (3,399.12 km) |
| Merthyr Tudful to Merzifon | 1,971.46 mi (3,172.75 km) |
| Merthyr Tudful to Midyat | 2,367.85 mi (3,810.69 km) |
| Merthyr Tudful to Mugla | 1,836.89 mi (2,956.19 km) |
| Merthyr Tudful to Mus | 2,316.38 mi (3,727.85 km) |
