| Castel Bolognese to Mondolfo | 75.52 mi (121.53 km) |
| Castel Bolognese to Mondovi | 196.84 mi (316.78 km) |
| Castel Bolognese to Monesiglio | 182.13 mi (293.11 km) |
| Castel Bolognese to Monfalcone | 132.88 mi (213.86 km) |
| Castel Bolognese to Monopoli | 363.55 mi (585.07 km) |
| Castel Bolognese to Monreale | 437.67 mi (704.37 km) |
| Castel Bolognese to Monselice | 63.38 mi (102.00 km) |
| Castel Bolognese to Monserrato | 375.70 mi (604.63 km) |
| Castel Bolognese to Monsummano | 57.86 mi (93.12 km) |
| Castel Bolognese to Montagnana | 65.42 mi (105.28 km) |
| Castel Bolognese to Montale | 47.02 mi (75.67 km) |
| Castel Bolognese to Montalto di Castro | 136.26 mi (219.28 km) |
| Castel Bolognese to Montalto Uffugo | 406.69 mi (654.51 km) |
| Castel Bolognese to Monte Compatri | 179.66 mi (289.14 km) |
| Castel Bolognese to Monte di Procida | 268.58 mi (432.24 km) |
