| Castel Gandolfo to Magstadt | 515.37 mi (829.41 km) |
| Castel Gandolfo to Mainaschaff | 594.23 mi (956.33 km) |
| Castel Gandolfo to Mainburg | 478.82 mi (770.59 km) |
| Castel Gandolfo to Maintal | 608.68 mi (979.57 km) |
| Castel Gandolfo to Mainz | 606.66 mi (976.32 km) |
| Castel Gandolfo to Maisach | 452.10 mi (727.58 km) |
| Castel Gandolfo to Maisenhausen | 597.74 mi (961.96 km) |
| Castel Gandolfo to Malente | 863.52 mi (1,389.70 km) |
| Castel Gandolfo to Malsch | 535.47 mi (861.75 km) |
| Castel Gandolfo to Manching | 484.95 mi (780.45 km) |
| Castel Gandolfo to Mannheim | 571.59 mi (919.88 km) |
| Castel Gandolfo to Mansfeld | 682.72 mi (1,098.73 km) |
| Castel Gandolfo to Marbach am Neckar | 523.15 mi (841.94 km) |
| Castel Gandolfo to Marburg | 652.81 mi (1,050.60 km) |
| Castel Gandolfo to Marienberg | 614.45 mi (988.86 km) |
