| Castalla to Mechernich | 903.10 mi (1,453.40 km) |
| Castalla to Meckenbeuren | 812.00 mi (1,306.79 km) |
| Castalla to Meckenheim | 912.37 mi (1,468.32 km) |
| Castalla to Meerane | 1,060.92 mi (1,707.39 km) |
| Castalla to Meerbusch | 944.97 mi (1,520.79 km) |
| Castalla to Meine | 1,093.41 mi (1,759.68 km) |
| Castalla to Meinerzhagen | 954.45 mi (1,536.03 km) |
| Castalla to Meiningen | 987.53 mi (1,589.27 km) |
| Castalla to Meissen | 1,107.06 mi (1,781.63 km) |
| Castalla to Meitingen | 894.12 mi (1,438.94 km) |
| Castalla to Melle | 1,034.96 mi (1,665.61 km) |
| Castalla to Melsungen | 998.25 mi (1,606.53 km) |
| Castalla to Memmelsdorf | 969.31 mi (1,559.95 km) |
| Castalla to Memmingen | 846.17 mi (1,361.77 km) |
| Castalla to Mendig | 902.00 mi (1,451.63 km) |
