| Portalegre to Luban | 1,364.01 mi (2,195.16 km) |
| Portalegre to Lubartow | 1,663.94 mi (2,677.85 km) |
| Portalegre to Lubawa | 1,606.84 mi (2,585.95 km) |
| Portalegre to Lubin | 1,407.95 mi (2,265.87 km) |
| Portalegre to Lublin | 1,657.88 mi (2,668.11 km) |
| Portalegre to Lubliniec | 1,485.70 mi (2,391.00 km) |
| Portalegre to Lubon | 1,463.72 mi (2,355.63 km) |
| Portalegre to Lubsko | 1,374.68 mi (2,212.33 km) |
| Portalegre to Lukow | 1,665.58 mi (2,680.49 km) |
| Portalegre to Lwowek Slaski | 1,375.28 mi (2,213.30 km) |
| Portalegre to Makow Mazowiecki | 1,639.07 mi (2,637.83 km) |
| Portalegre to Malbork | 1,597.97 mi (2,571.69 km) |
| Portalegre to Marki | 1,624.79 mi (2,614.85 km) |
| Portalegre to Miastko | 1,525.49 mi (2,455.05 km) |
| Portalegre to Miechow | 1,533.33 mi (2,467.66 km) |
