| Mountain Ash to Marsala | 1,228.37 mi (1,976.87 km) |
| Mountain Ash to Marsciano | 949.82 mi (1,528.59 km) |
| Mountain Ash to Martano | 1,300.89 mi (2,093.58 km) |
| Mountain Ash to Martellago | 824.18 mi (1,326.39 km) |
| Mountain Ash to Martina Franca | 1,240.47 mi (1,996.34 km) |
| Mountain Ash to Martinengo | 732.25 mi (1,178.44 km) |
| Mountain Ash to Martinsicuro | 1,009.07 mi (1,623.93 km) |
| Mountain Ash to Mascali | 1,318.64 mi (2,122.15 km) |
| Mountain Ash to Mascalucia | 1,323.84 mi (2,130.52 km) |
| Mountain Ash to Masera di Padova | 822.54 mi (1,323.75 km) |
| Mountain Ash to Maserada sul Piave | 822.13 mi (1,323.09 km) |
| Mountain Ash to Massa | 817.28 mi (1,315.29 km) |
| Mountain Ash to Massa Lombarda | 858.64 mi (1,381.85 km) |
| Mountain Ash to Massafra | 1,238.11 mi (1,992.55 km) |
| Mountain Ash to Massalubrense | 1,136.71 mi (1,829.37 km) |
