| Portalegre to Borgosatollo | 993.55 mi (1,598.96 km) |
| Portalegre to Borgosesia | 910.67 mi (1,465.58 km) |
| Portalegre to Boscoreale | 1,159.72 mi (1,866.40 km) |
| Portalegre to Boscotrecase | 1,158.81 mi (1,864.93 km) |
| Portalegre to Botticino Sera | 994.54 mi (1,600.56 km) |
| Portalegre to Bovalino Marina | 1,270.03 mi (2,043.92 km) |
| Portalegre to Boves | 843.30 mi (1,357.17 km) |
| Portalegre to Boville Ernica | 1,106.45 mi (1,780.66 km) |
| Portalegre to Bovisio Masciago | 947.44 mi (1,524.76 km) |
| Portalegre to Bovolone | 1,029.96 mi (1,657.56 km) |
| Portalegre to Bra | 865.73 mi (1,393.25 km) |
| Portalegre to Bracciano | 1,041.99 mi (1,676.92 km) |
| Portalegre to Brandizzo | 877.05 mi (1,411.47 km) |
| Portalegre to Breganze | 1,059.29 mi (1,704.76 km) |
| Portalegre to Brembate | 965.06 mi (1,553.12 km) |
