| Castel Bolognese to Mechernich | 496.05 mi (798.32 km) |
| Castel Bolognese to Meckenbeuren | 257.22 mi (413.95 km) |
| Castel Bolognese to Meckenheim | 490.03 mi (788.63 km) |
| Castel Bolognese to Meerane | 452.59 mi (728.38 km) |
| Castel Bolognese to Meerbusch | 535.75 mi (862.20 km) |
| Castel Bolognese to Meine | 560.35 mi (901.80 km) |
| Castel Bolognese to Meinerzhagen | 507.98 mi (817.52 km) |
| Castel Bolognese to Meiningen | 435.48 mi (700.84 km) |
| Castel Bolognese to Meissen | 479.67 mi (771.96 km) |
| Castel Bolognese to Meitingen | 294.95 mi (474.67 km) |
| Castel Bolognese to Melle | 567.59 mi (913.45 km) |
| Castel Bolognese to Melsungen | 482.39 mi (776.33 km) |
| Castel Bolognese to Memmelsdorf | 390.06 mi (627.75 km) |
| Castel Bolognese to Memmingen | 265.20 mi (426.80 km) |
| Castel Bolognese to Mendig | 468.77 mi (754.41 km) |
