| Castel San Pietro Terme to Melun | 511.49 mi (823.17 km) |
| Castel San Pietro Terme to Mende | 398.52 mi (641.36 km) |
| Castel San Pietro Terme to Mennecy | 521.19 mi (838.78 km) |
| Castel San Pietro Terme to Menton | 207.17 mi (333.41 km) |
| Castel San Pietro Terme to Mericourt | 580.80 mi (934.71 km) |
| Castel San Pietro Terme to Merignac | 601.51 mi (968.04 km) |
| Castel San Pietro Terme to Meru | 557.18 mi (896.69 km) |
| Castel San Pietro Terme to Merville | 599.38 mi (964.60 km) |
| Castel San Pietro Terme to Mery-sur-Oise | 548.77 mi (883.16 km) |
| Castel San Pietro Terme to Metz | 414.30 mi (666.75 km) |
| Castel San Pietro Terme to Meudon | 537.64 mi (865.25 km) |
| Castel San Pietro Terme to Meylan | 289.89 mi (466.53 km) |
| Castel San Pietro Terme to Meyzieu | 334.48 mi (538.29 km) |
| Castel San Pietro Terme to Meze | 402.58 mi (647.89 km) |
| Castel San Pietro Terme to Millau | 421.26 mi (677.95 km) |
