| Portalegre to Boppard | 1,050.01 mi (1,689.83 km) |
| Portalegre to Borgentreich | 1,164.75 mi (1,874.49 km) |
| Portalegre to Borgholzhausen | 1,159.04 mi (1,865.29 km) |
| Portalegre to Borken | 1,102.72 mi (1,774.66 km) |
| Portalegre to Borna | 1,259.42 mi (2,026.85 km) |
| Portalegre to Bornheim | 1,054.94 mi (1,697.77 km) |
| Portalegre to Bosel | 1,192.90 mi (1,919.79 km) |
| Portalegre to Bottrop | 1,089.17 mi (1,752.85 km) |
| Portalegre to Bovenden | 1,188.06 mi (1,912.00 km) |
| Portalegre to Brackenheim | 1,055.26 mi (1,698.27 km) |
| Portalegre to Brake | 1,224.40 mi (1,970.48 km) |
| Portalegre to Brakel | 1,169.28 mi (1,881.78 km) |
| Portalegre to Bramsche | 1,163.86 mi (1,873.05 km) |
| Portalegre to Brand | 1,028.02 mi (1,654.44 km) |
| Portalegre to Brand-Erbisdorf | 1,280.93 mi (2,061.46 km) |
