| Castelo Branco to Beyne-Heusay | 980.12 mi (1,577.35 km) |
| Castelo Branco to Bierbeek | 964.02 mi (1,551.44 km) |
| Castelo Branco to Bilzen | 988.22 mi (1,590.39 km) |
| Castelo Branco to Binche | 924.17 mi (1,487.31 km) |
| Castelo Branco to Bissegem | 919.21 mi (1,479.33 km) |
| Castelo Branco to Blankenberge | 943.02 mi (1,517.64 km) |
| Castelo Branco to Blegny | 985.15 mi (1,585.44 km) |
| Castelo Branco to Bocholt | 1,005.27 mi (1,617.83 km) |
| Castelo Branco to Boechout | 972.12 mi (1,564.47 km) |
| Castelo Branco to Bonheiden | 967.48 mi (1,557.01 km) |
| Castelo Branco to Boom | 965.32 mi (1,553.54 km) |
| Castelo Branco to Boortmeerbeek | 965.86 mi (1,554.40 km) |
| Castelo Branco to Borgerhout | 974.13 mi (1,567.72 km) |
| Castelo Branco to Borgloon | 979.75 mi (1,576.75 km) |
| Castelo Branco to Bornem | 962.43 mi (1,548.88 km) |
