| Willebroek to Montilla | 1,030.56 mi (1,658.53 km) |
| Willebroek to Montmelo | 664.86 mi (1,069.99 km) |
| Willebroek to Montornes del Valles | 665.44 mi (1,070.92 km) |
| Willebroek to Montoro | 997.67 mi (1,605.60 km) |
| Willebroek to Monzon | 662.85 mi (1,066.76 km) |
| Willebroek to Mora | 878.93 mi (1,414.51 km) |
| Willebroek to Moralzarzal | 821.19 mi (1,321.58 km) |
| Willebroek to Moron de la Frontera | 1,077.44 mi (1,733.98 km) |
| Willebroek to Mostoles | 840.10 mi (1,352.02 km) |
| Willebroek to Motril | 1,062.70 mi (1,710.25 km) |
| Willebroek to Muchamiel | 905.08 mi (1,456.58 km) |
| Willebroek to Mula | 944.24 mi (1,519.61 km) |
| Willebroek to Munguia | 630.64 mi (1,014.92 km) |
| Willebroek to Murcia | 942.80 mi (1,517.28 km) |
| Willebroek to Muro del Alcoy | 880.38 mi (1,416.83 km) |
