| Castricum to Montilla | 1,127.11 mi (1,813.91 km) |
| Castricum to Montmelo | 768.06 mi (1,236.07 km) |
| Castricum to Montornes del Valles | 768.65 mi (1,237.02 km) |
| Castricum to Montoro | 1,094.28 mi (1,761.08 km) |
| Castricum to Monzon | 764.19 mi (1,229.84 km) |
| Castricum to Mora | 975.04 mi (1,569.18 km) |
| Castricum to Moralzarzal | 915.64 mi (1,473.59 km) |
| Castricum to Moron de la Frontera | 1,172.95 mi (1,887.68 km) |
| Castricum to Mostoles | 935.25 mi (1,505.14 km) |
| Castricum to Motril | 1,161.62 mi (1,869.45 km) |
| Castricum to Muchamiel | 1,006.99 mi (1,620.60 km) |
| Castricum to Mula | 1,045.18 mi (1,682.05 km) |
| Castricum to Munguia | 723.35 mi (1,164.12 km) |
| Castricum to Murcia | 1,044.16 mi (1,680.41 km) |
| Castricum to Muro del Alcoy | 982.19 mi (1,580.69 km) |
