| Castellabate to Beyne-Heusay | 843.23 mi (1,357.05 km) |
| Castellabate to Bierbeek | 878.34 mi (1,413.55 km) |
| Castellabate to Bilzen | 860.67 mi (1,385.12 km) |
| Castellabate to Binche | 871.84 mi (1,403.09 km) |
| Castellabate to Bissegem | 921.02 mi (1,482.24 km) |
| Castellabate to Blankenberge | 948.82 mi (1,526.97 km) |
| Castellabate to Blegny | 843.92 mi (1,358.16 km) |
| Castellabate to Bocholt | 876.41 mi (1,410.45 km) |
| Castellabate to Boechout | 903.18 mi (1,453.53 km) |
| Castellabate to Bonheiden | 895.49 mi (1,441.15 km) |
| Castellabate to Boom | 902.67 mi (1,452.71 km) |
| Castellabate to Boortmeerbeek | 891.87 mi (1,435.33 km) |
| Castellabate to Borgerhout | 907.68 mi (1,460.78 km) |
| Castellabate to Borgloon | 861.48 mi (1,386.42 km) |
| Castellabate to Bornem | 907.18 mi (1,459.96 km) |
