| Portimao to Montevarchi | 1,143.76 mi (1,840.71 km) |
| Portimao to Monticello Conte Otto | 1,191.23 mi (1,917.10 km) |
| Portimao to Montichiari | 1,133.15 mi (1,823.62 km) |
| Portimao to Montignoso | 1,087.28 mi (1,749.81 km) |
| Portimao to Montopoli in Val d'Arno | 1,107.19 mi (1,781.84 km) |
| Portimao to Monza | 1,088.89 mi (1,752.41 km) |
| Portimao to Morbegno | 1,118.57 mi (1,800.16 km) |
| Portimao to Mori | 1,171.40 mi (1,885.19 km) |
| Portimao to Morlupo | 1,168.33 mi (1,880.25 km) |
| Portimao to Morrovalle | 1,238.09 mi (1,992.51 km) |
| Portimao to Mortara | 1,055.95 mi (1,699.39 km) |
| Portimao to Mosciano Sant'Angelo | 1,245.04 mi (2,003.70 km) |
| Portimao to Motta di Livenza | 1,241.79 mi (1,998.47 km) |
| Portimao to Motta Sant'Anastasia | 1,288.44 mi (2,073.54 km) |
| Portimao to Mottola | 1,391.26 mi (2,239.02 km) |
