| Os to Massarosa | 1,148.31 mi (1,848.03 km) |
| Os to Matelica | 1,214.16 mi (1,954.00 km) |
| Os to Matera | 1,432.81 mi (2,305.89 km) |
| Os to Matino | 1,497.62 mi (2,410.19 km) |
| Os to Mazzarino | 1,629.91 mi (2,623.09 km) |
| Os to Meda | 1,017.28 mi (1,637.16 km) |
| Os to Medesano | 1,086.49 mi (1,748.54 km) |
| Os to Medicina | 1,117.21 mi (1,797.98 km) |
| Os to Meldola | 1,144.95 mi (1,842.62 km) |
| Os to Melegnano | 1,039.35 mi (1,672.68 km) |
| Os to Melendugno | 1,485.38 mi (2,390.48 km) |
| Os to Melfi | 1,397.57 mi (2,249.17 km) |
| Os to Melilli | 1,647.75 mi (2,651.80 km) |
| Os to Melito di Napoli | 1,385.63 mi (2,229.95 km) |
| Os to Melito di Porto Salvo | 1,606.13 mi (2,584.82 km) |
