| Castelldefels to Magstadt | 617.76 mi (994.18 km) |
| Castelldefels to Mainaschaff | 691.73 mi (1,113.23 km) |
| Castelldefels to Mainburg | 698.27 mi (1,123.76 km) |
| Castelldefels to Maintal | 695.73 mi (1,119.66 km) |
| Castelldefels to Mainz | 673.19 mi (1,083.39 km) |
| Castelldefels to Maisach | 660.52 mi (1,063.01 km) |
| Castelldefels to Maisenhausen | 691.54 mi (1,112.93 km) |
| Castelldefels to Malente | 973.81 mi (1,567.19 km) |
| Castelldefels to Malsch | 609.41 mi (980.76 km) |
| Castelldefels to Manching | 692.13 mi (1,113.88 km) |
| Castelldefels to Mannheim | 648.10 mi (1,043.02 km) |
| Castelldefels to Mansfeld | 841.97 mi (1,355.02 km) |
| Castelldefels to Marbach am Neckar | 636.07 mi (1,023.65 km) |
| Castelldefels to Marburg | 733.91 mi (1,181.12 km) |
| Castelldefels to Marienberg | 838.16 mi (1,348.89 km) |
