| Portalegre to Blumberg | 988.86 mi (1,591.42 km) |
| Portalegre to Bobenheim-Roxheim | 1,049.12 mi (1,688.40 km) |
| Portalegre to Bobingen | 1,095.32 mi (1,762.75 km) |
| Portalegre to Boblingen | 1,038.33 mi (1,671.04 km) |
| Portalegre to Bocholt | 1,095.35 mi (1,762.80 km) |
| Portalegre to Bochum | 1,096.04 mi (1,763.90 km) |
| Portalegre to Bockenem | 1,213.39 mi (1,952.77 km) |
| Portalegre to Bockhorn | 1,214.48 mi (1,954.52 km) |
| Portalegre to Bogen | 1,191.71 mi (1,917.88 km) |
| Portalegre to Bohl-Iggelheim | 1,038.53 mi (1,671.35 km) |
| Portalegre to Bohmte | 1,172.29 mi (1,886.61 km) |
| Portalegre to Boizenburg | 1,292.70 mi (2,080.40 km) |
| Portalegre to Bonen | 1,118.46 mi (1,799.98 km) |
| Portalegre to Bonn | 1,056.77 mi (1,700.71 km) |
| Portalegre to Bopfingen | 1,096.48 mi (1,764.61 km) |
