| Castel San Pietro Terme to Lubbeek | 546.37 mi (879.30 km) |
| Castel San Pietro Terme to Lummen | 542.71 mi (873.41 km) |
| Castel San Pietro Terme to Maaseik | 535.30 mi (861.48 km) |
| Castel San Pietro Terme to Machelen | 558.87 mi (899.42 km) |
| Castel San Pietro Terme to Maldegem | 602.42 mi (969.50 km) |
| Castel San Pietro Terme to Malmedy | 490.16 mi (788.84 km) |
| Castel San Pietro Terme to Manage | 543.12 mi (874.06 km) |
| Castel San Pietro Terme to Marche-en-Famenne | 496.87 mi (799.63 km) |
| Castel San Pietro Terme to Mariakerke | 588.85 mi (947.66 km) |
| Castel San Pietro Terme to Mechelen | 564.00 mi (907.67 km) |
| Castel San Pietro Terme to Mechelen-aan-de-Maas | 531.14 mi (854.79 km) |
| Castel San Pietro Terme to Meerhout | 554.09 mi (891.73 km) |
| Castel San Pietro Terme to Meise | 562.95 mi (905.99 km) |
| Castel San Pietro Terme to Melle | 581.52 mi (935.86 km) |
| Castel San Pietro Terme to Melsele | 579.81 mi (933.12 km) |
