| Marinha Grande to Montilla | 276.03 mi (444.24 km) |
| Marinha Grande to Montmelo | 598.87 mi (963.79 km) |
| Marinha Grande to Montornes del Valles | 599.64 mi (965.03 km) |
| Marinha Grande to Montoro | 272.40 mi (438.39 km) |
| Marinha Grande to Monzon | 499.47 mi (803.82 km) |
| Marinha Grande to Mora | 274.04 mi (441.03 km) |
| Marinha Grande to Moralzarzal | 269.56 mi (433.81 km) |
| Marinha Grande to Moron de la Frontera | 261.63 mi (421.05 km) |
| Marinha Grande to Mostoles | 270.98 mi (436.10 km) |
| Marinha Grande to Motril | 359.53 mi (578.61 km) |
| Marinha Grande to Muchamiel | 464.30 mi (747.22 km) |
| Marinha Grande to Mula | 417.12 mi (671.28 km) |
| Marinha Grande to Munguia | 401.13 mi (645.56 km) |
| Marinha Grande to Murcia | 436.93 mi (703.17 km) |
| Marinha Grande to Muro del Alcoy | 459.29 mi (739.15 km) |
