| Portalegre to Manerbio | 986.19 mi (1,587.12 km) |
| Portalegre to Manfredonia | 1,232.93 mi (1,984.22 km) |
| Portalegre to Maniago | 1,121.76 mi (1,805.30 km) |
| Portalegre to Mantova | 1,012.14 mi (1,628.88 km) |
| Portalegre to Maranello | 1,003.92 mi (1,615.66 km) |
| Portalegre to Marano di Napoli | 1,143.74 mi (1,840.68 km) |
| Portalegre to Marano Vicentino | 1,053.17 mi (1,694.91 km) |
| Portalegre to Marcianise | 1,149.60 mi (1,850.11 km) |
| Portalegre to Marcon | 1,090.18 mi (1,754.47 km) |
| Portalegre to Mareno di Piave | 1,098.31 mi (1,767.56 km) |
| Portalegre to Margherita di Savoia | 1,245.26 mi (2,004.05 km) |
| Portalegre to Mariano Comense | 951.05 mi (1,530.57 km) |
| Portalegre to Marigliano | 1,157.60 mi (1,862.97 km) |
| Portalegre to Marino | 1,065.48 mi (1,714.73 km) |
| Portalegre to Marostica | 1,064.32 mi (1,712.86 km) |
