| Middelharnis to Montilla | 1,068.31 mi (1,719.28 km) |
| Middelharnis to Montmelo | 710.22 mi (1,142.99 km) |
| Middelharnis to Montornes del Valles | 710.83 mi (1,143.96 km) |
| Middelharnis to Montoro | 1,035.47 mi (1,666.43 km) |
| Middelharnis to Monzon | 705.15 mi (1,134.83 km) |
| Middelharnis to Mora | 916.30 mi (1,474.65 km) |
| Middelharnis to Moralzarzal | 857.23 mi (1,379.57 km) |
| Middelharnis to Moron de la Frontera | 1,114.35 mi (1,793.37 km) |
| Middelharnis to Mostoles | 876.69 mi (1,410.90 km) |
| Middelharnis to Motril | 1,102.52 mi (1,774.33 km) |
| Middelharnis to Muchamiel | 948.08 mi (1,525.78 km) |
| Middelharnis to Mula | 986.07 mi (1,586.93 km) |
| Middelharnis to Munguia | 665.28 mi (1,070.66 km) |
| Middelharnis to Murcia | 985.11 mi (1,585.38 km) |
| Middelharnis to Muro del Alcoy | 923.25 mi (1,485.83 km) |
