| Portalegre to Marsala | 1,075.48 mi (1,730.82 km) |
| Portalegre to Marsciano | 1,055.01 mi (1,697.88 km) |
| Portalegre to Martano | 1,362.54 mi (2,192.79 km) |
| Portalegre to Martellago | 1,083.44 mi (1,743.63 km) |
| Portalegre to Martina Franca | 1,308.96 mi (2,106.57 km) |
| Portalegre to Martinengo | 974.20 mi (1,567.82 km) |
| Portalegre to Martinsicuro | 1,134.45 mi (1,825.73 km) |
| Portalegre to Mascali | 1,223.96 mi (1,969.78 km) |
| Portalegre to Mascalucia | 1,218.66 mi (1,961.25 km) |
| Portalegre to Masera di Padova | 1,065.45 mi (1,714.68 km) |
| Portalegre to Maserada sul Piave | 1,094.84 mi (1,761.98 km) |
| Portalegre to Massa | 960.27 mi (1,545.40 km) |
| Portalegre to Massa Lombarda | 1,048.00 mi (1,686.59 km) |
| Portalegre to Massafra | 1,298.20 mi (2,089.26 km) |
| Portalegre to Massalubrense | 1,153.19 mi (1,855.87 km) |
