| Portugalete to Beyne-Heusay | 648.17 mi (1,043.13 km) |
| Portugalete to Bierbeek | 634.65 mi (1,021.37 km) |
| Portugalete to Bilzen | 657.23 mi (1,057.71 km) |
| Portugalete to Binche | 594.87 mi (957.36 km) |
| Portugalete to Bissegem | 594.87 mi (957.35 km) |
| Portugalete to Blankenberge | 621.32 mi (999.91 km) |
| Portugalete to Blegny | 653.18 mi (1,051.19 km) |
| Portugalete to Bocholt | 675.09 mi (1,086.45 km) |
| Portugalete to Boechout | 644.71 mi (1,037.56 km) |
| Portugalete to Bonheiden | 639.48 mi (1,029.15 km) |
| Portugalete to Boom | 638.02 mi (1,026.79 km) |
| Portugalete to Boortmeerbeek | 637.58 mi (1,026.08 km) |
| Portugalete to Borgerhout | 647.10 mi (1,041.40 km) |
| Portugalete to Borgloon | 648.92 mi (1,044.34 km) |
| Portugalete to Bornem | 635.61 mi (1,022.91 km) |
