| Portalegre to Blace | 1,507.08 mi (2,425.42 km) |
| Portalegre to Bogatic | 1,423.95 mi (2,291.63 km) |
| Portalegre to Bojnik | 1,528.88 mi (2,460.49 km) |
| Portalegre to Boljevac | 1,541.17 mi (2,480.27 km) |
| Portalegre to Bor | 1,549.36 mi (2,493.46 km) |
| Portalegre to Borca | 1,471.32 mi (2,367.86 km) |
| Portalegre to Bosilegrad | 1,567.91 mi (2,523.31 km) |
| Portalegre to Brus | 1,494.56 mi (2,405.26 km) |
| Portalegre to Bujanovac | 1,532.03 mi (2,465.57 km) |
| Portalegre to Cacak | 1,461.58 mi (2,352.18 km) |
| Portalegre to Cajetina | 1,429.56 mi (2,300.66 km) |
| Portalegre to Cicevac | 1,515.93 mi (2,439.66 km) |
| Portalegre to Coka | 1,465.55 mi (2,358.57 km) |
| Portalegre to Crna Trava | 1,558.47 mi (2,508.11 km) |
| Portalegre to Crvenka | 1,429.71 mi (2,300.90 km) |
