| Ostend to Montilla | 1,012.34 mi (1,629.21 km) |
| Ostend to Montmelo | 668.96 mi (1,076.59 km) |
| Ostend to Montornes del Valles | 669.63 mi (1,077.67 km) |
| Ostend to Montoro | 979.59 mi (1,576.49 km) |
| Ostend to Monzon | 656.46 mi (1,056.48 km) |
| Ostend to Mora | 860.09 mi (1,384.18 km) |
| Ostend to Moralzarzal | 799.73 mi (1,287.04 km) |
| Ostend to Moron de la Frontera | 1,057.44 mi (1,701.78 km) |
| Ostend to Mostoles | 819.71 mi (1,319.20 km) |
| Ostend to Motril | 1,049.10 mi (1,688.36 km) |
| Ostend to Muchamiel | 900.22 mi (1,448.76 km) |
| Ostend to Mula | 935.93 mi (1,506.23 km) |
| Ostend to Munguia | 606.83 mi (976.60 km) |
| Ostend to Murcia | 935.84 mi (1,506.09 km) |
| Ostend to Muro del Alcoy | 875.18 mi (1,408.47 km) |
