| Castelldefels to Blumberg | 555.97 mi (894.75 km) |
| Castelldefels to Bobenheim-Roxheim | 651.36 mi (1,048.26 km) |
| Castelldefels to Bobingen | 648.02 mi (1,042.89 km) |
| Castelldefels to Boblingen | 615.96 mi (991.29 km) |
| Castelldefels to Bocholt | 761.36 mi (1,225.29 km) |
| Castelldefels to Bochum | 747.32 mi (1,202.70 km) |
| Castelldefels to Bockenem | 835.10 mi (1,343.96 km) |
| Castelldefels to Bockhorn | 883.08 mi (1,421.18 km) |
| Castelldefels to Bogen | 740.99 mi (1,192.51 km) |
| Castelldefels to Bohl-Iggelheim | 637.55 mi (1,026.04 km) |
| Castelldefels to Bohmte | 821.79 mi (1,322.54 km) |
| Castelldefels to Boizenburg | 928.42 mi (1,494.16 km) |
| Castelldefels to Bonen | 763.66 mi (1,228.99 km) |
| Castelldefels to Bonn | 697.47 mi (1,122.47 km) |
| Castelldefels to Bopfingen | 663.31 mi (1,067.49 km) |
