| Altena to Montilla | 1,121.96 mi (1,805.63 km) |
| Altena to Montmelo | 720.56 mi (1,159.63 km) |
| Altena to Montornes del Valles | 720.95 mi (1,160.25 km) |
| Altena to Montoro | 1,089.14 mi (1,752.80 km) |
| Altena to Monzon | 738.62 mi (1,188.69 km) |
| Altena to Mora | 972.89 mi (1,565.72 km) |
| Altena to Moralzarzal | 920.13 mi (1,480.81 km) |
| Altena to Moron de la Frontera | 1,171.53 mi (1,885.40 km) |
| Altena to Mostoles | 937.09 mi (1,508.09 km) |
| Altena to Motril | 1,145.65 mi (1,843.75 km) |
| Altena to Muchamiel | 973.57 mi (1,566.81 km) |
| Altena to Mula | 1,018.74 mi (1,639.50 km) |
| Altena to Munguia | 735.99 mi (1,184.46 km) |
| Altena to Murcia | 1,014.76 mi (1,633.10 km) |
| Altena to Muro del Alcoy | 949.85 mi (1,528.63 km) |
