| Os to Melzo | 1,030.27 mi (1,658.06 km) |
| Os to Mendicino | 1,520.97 mi (2,447.77 km) |
| Os to Menfi | 1,597.05 mi (2,570.20 km) |
| Os to Mentana | 1,294.29 mi (2,082.96 km) |
| Os to Merano | 964.60 mi (1,552.37 km) |
| Os to Merate | 1,016.68 mi (1,636.19 km) |
| Os to Mercato San Severino | 1,400.90 mi (2,254.53 km) |
| Os to Mercogliano | 1,391.22 mi (2,238.95 km) |
| Os to Mesagne | 1,457.23 mi (2,345.18 km) |
| Os to Messina | 1,584.69 mi (2,550.32 km) |
| Os to Mestre | 1,055.21 mi (1,698.20 km) |
| Os to Mestrino | 1,053.05 mi (1,694.72 km) |
| Os to Milan | 1,031.12 mi (1,659.43 km) |
| Os to Milazzo | 1,579.33 mi (2,541.68 km) |
| Os to Minerbio | 1,106.60 mi (1,780.90 km) |
