| Castalla to Marasesti | 1,504.10 mi (2,420.62 km) |
| Castalla to Marghita | 1,303.93 mi (2,098.47 km) |
| Castalla to Marginea | 1,469.16 mi (2,364.38 km) |
| Castalla to Matca | 1,518.16 mi (2,443.25 km) |
| Castalla to Medgidia | 1,540.20 mi (2,478.72 km) |
| Castalla to Media | 1,372.36 mi (2,208.60 km) |
| Castalla to Miercurea-Ciuc | 1,443.20 mi (2,322.60 km) |
| Castalla to Mioveni | 1,384.03 mi (2,227.39 km) |
| Castalla to Mizil | 1,456.94 mi (2,344.71 km) |
| Castalla to Moinesti | 1,476.03 mi (2,375.44 km) |
| Castalla to Moisei | 1,408.30 mi (2,266.44 km) |
| Castalla to Moldova Noua | 1,223.29 mi (1,968.69 km) |
| Castalla to Moreni | 1,418.26 mi (2,282.46 km) |
| Castalla to Motru | 1,287.26 mi (2,071.65 km) |
| Castalla to Murfatlar | 1,547.04 mi (2,489.73 km) |
