| Monte Porzio Catone to Montilla | 965.61 mi (1,554.00 km) |
| Monte Porzio Catone to Montmelo | 540.04 mi (869.11 km) |
| Monte Porzio Catone to Montornes del Valles | 539.23 mi (867.81 km) |
| Monte Porzio Catone to Montoro | 941.62 mi (1,515.39 km) |
| Monte Porzio Catone to Monzon | 644.04 mi (1,036.48 km) |
| Monte Porzio Catone to Mora | 874.39 mi (1,407.19 km) |
| Monte Porzio Catone to Moralzarzal | 869.05 mi (1,398.60 km) |
| Monte Porzio Catone to Moron de la Frontera | 1,019.55 mi (1,640.81 km) |
| Monte Porzio Catone to Mostoles | 868.45 mi (1,397.63 km) |
| Monte Porzio Catone to Motril | 934.21 mi (1,503.47 km) |
| Monte Porzio Catone to Muchamiel | 733.25 mi (1,180.05 km) |
| Monte Porzio Catone to Mula | 795.50 mi (1,280.23 km) |
| Monte Porzio Catone to Munguia | 797.66 mi (1,283.71 km) |
| Monte Porzio Catone to Murcia | 779.13 mi (1,253.89 km) |
| Monte Porzio Catone to Muro del Alcoy | 723.32 mi (1,164.07 km) |
