| Portalegre to Mechernich | 1,036.08 mi (1,667.42 km) |
| Portalegre to Meckenbeuren | 1,025.75 mi (1,650.78 km) |
| Portalegre to Meckenheim | 1,049.41 mi (1,688.86 km) |
| Portalegre to Meerane | 1,248.31 mi (2,008.97 km) |
| Portalegre to Meerbusch | 1,068.75 mi (1,719.98 km) |
| Portalegre to Meine | 1,242.83 mi (2,000.14 km) |
| Portalegre to Meinerzhagen | 1,091.80 mi (1,757.08 km) |
| Portalegre to Meiningen | 1,162.10 mi (1,870.22 km) |
| Portalegre to Meissen | 1,297.48 mi (2,088.09 km) |
| Portalegre to Meitingen | 1,104.65 mi (1,777.76 km) |
| Portalegre to Melle | 1,165.20 mi (1,875.21 km) |
| Portalegre to Melsungen | 1,155.85 mi (1,860.17 km) |
| Portalegre to Memmelsdorf | 1,158.20 mi (1,863.95 km) |
| Portalegre to Memmingen | 1,060.41 mi (1,706.57 km) |
| Portalegre to Mendig | 1,046.09 mi (1,683.52 km) |
