| Mountain Ash to Massarosa | 832.46 mi (1,339.71 km) |
| Mountain Ash to Matelica | 958.00 mi (1,541.76 km) |
| Mountain Ash to Matera | 1,214.95 mi (1,955.28 km) |
| Mountain Ash to Matino | 1,302.82 mi (2,096.68 km) |
| Mountain Ash to Mazzarino | 1,311.41 mi (2,110.51 km) |
| Mountain Ash to Meda | 705.80 mi (1,135.87 km) |
| Mountain Ash to Medesano | 783.02 mi (1,260.15 km) |
| Mountain Ash to Medicina | 850.31 mi (1,368.44 km) |
| Mountain Ash to Meldola | 881.76 mi (1,419.05 km) |
| Mountain Ash to Melegnano | 725.51 mi (1,167.59 km) |
| Mountain Ash to Melendugno | 1,298.90 mi (2,090.37 km) |
| Mountain Ash to Melfi | 1,163.76 mi (1,872.89 km) |
| Mountain Ash to Melilli | 1,347.34 mi (2,168.33 km) |
| Mountain Ash to Melito di Napoli | 1,117.24 mi (1,798.02 km) |
| Mountain Ash to Melito di Porto Salvo | 1,328.98 mi (2,138.78 km) |
