| Castel Bolognese to Beyne-Heusay | 521.12 mi (838.67 km) |
| Castel Bolognese to Bierbeek | 556.42 mi (895.47 km) |
| Castel Bolognese to Bilzen | 538.57 mi (866.74 km) |
| Castel Bolognese to Binche | 551.06 mi (886.84 km) |
| Castel Bolognese to Bissegem | 600.72 mi (966.76 km) |
| Castel Bolognese to Blankenberge | 627.74 mi (1,010.25 km) |
| Castel Bolognese to Blegny | 521.82 mi (839.79 km) |
| Castel Bolognese to Bocholt | 554.42 mi (892.26 km) |
| Castel Bolognese to Boechout | 581.21 mi (935.36 km) |
| Castel Bolognese to Bonheiden | 573.55 mi (923.05 km) |
| Castel Bolognese to Boom | 580.80 mi (934.70 km) |
| Castel Bolognese to Boortmeerbeek | 569.95 mi (917.25 km) |
| Castel Bolognese to Borgerhout | 585.69 mi (942.58 km) |
| Castel Bolognese to Borgloon | 539.38 mi (868.05 km) |
| Castel Bolognese to Bornem | 585.37 mi (942.06 km) |
