| Portalegre to Massarosa | 967.30 mi (1,556.71 km) |
| Portalegre to Matelica | 1,091.82 mi (1,757.11 km) |
| Portalegre to Matera | 1,270.78 mi (2,045.12 km) |
| Portalegre to Matino | 1,354.98 mi (2,180.63 km) |
| Portalegre to Mazzarino | 1,177.39 mi (1,894.83 km) |
| Portalegre to Meda | 949.46 mi (1,528.01 km) |
| Portalegre to Medesano | 973.22 mi (1,566.25 km) |
| Portalegre to Medicina | 1,039.73 mi (1,673.28 km) |
| Portalegre to Meldola | 1,054.58 mi (1,697.19 km) |
| Portalegre to Melegnano | 948.97 mi (1,527.22 km) |
| Portalegre to Melendugno | 1,363.83 mi (2,194.87 km) |
| Portalegre to Melfi | 1,220.02 mi (1,963.43 km) |
| Portalegre to Melilli | 1,228.29 mi (1,976.75 km) |
| Portalegre to Melito di Napoli | 1,146.32 mi (1,844.83 km) |
| Portalegre to Melito di Porto Salvo | 1,252.74 mi (2,016.10 km) |
