| Castel Bolognese to Mendicino | 416.01 mi (669.50 km) |
| Castel Bolognese to Menfi | 467.52 mi (752.40 km) |
| Castel Bolognese to Mentana | 164.58 mi (264.87 km) |
| Castel Bolognese to Merano | 165.50 mi (266.35 km) |
| Castel Bolognese to Merate | 149.99 mi (241.39 km) |
| Castel Bolognese to Mercato San Severino | 287.01 mi (461.90 km) |
| Castel Bolognese to Mercogliano | 278.10 mi (447.56 km) |
| Castel Bolognese to Mesagne | 400.71 mi (644.88 km) |
| Castel Bolognese to Messina | 465.71 mi (749.49 km) |
| Castel Bolognese to Mestre | 83.89 mi (135.01 km) |
| Castel Bolognese to Mestrino | 78.32 mi (126.04 km) |
| Castel Bolognese to Milan | 150.44 mi (242.12 km) |
| Castel Bolognese to Milazzo | 457.58 mi (736.40 km) |
| Castel Bolognese to Minerbio | 26.34 mi (42.40 km) |
| Castel Bolognese to Minervino Murge | 310.86 mi (500.28 km) |
