| Castelldefels to Beyne-Heusay | 668.58 mi (1,075.98 km) |
| Castelldefels to Bierbeek | 673.36 mi (1,083.66 km) |
| Castelldefels to Bilzen | 683.55 mi (1,100.07 km) |
| Castelldefels to Binche | 638.81 mi (1,028.07 km) |
| Castelldefels to Bissegem | 661.57 mi (1,064.70 km) |
| Castelldefels to Blankenberge | 694.43 mi (1,117.57 km) |
| Castelldefels to Blegny | 672.94 mi (1,083.00 km) |
| Castelldefels to Bocholt | 704.62 mi (1,133.97 km) |
| Castelldefels to Boechout | 692.29 mi (1,114.13 km) |
| Castelldefels to Bonheiden | 684.79 mi (1,102.07 km) |
| Castelldefels to Boom | 686.82 mi (1,105.34 km) |
| Castelldefels to Boortmeerbeek | 681.69 mi (1,097.08 km) |
| Castelldefels to Borgerhout | 696.13 mi (1,120.32 km) |
| Castelldefels to Borgloon | 677.25 mi (1,089.93 km) |
| Castelldefels to Bornem | 686.94 mi (1,105.52 km) |
