| Castalla to Boppard | 900.06 mi (1,448.51 km) |
| Castalla to Borgentreich | 1,016.37 mi (1,635.68 km) |
| Castalla to Borgholzhausen | 1,027.83 mi (1,654.13 km) |
| Castalla to Borken | 984.12 mi (1,583.78 km) |
| Castalla to Borna | 1,075.61 mi (1,731.03 km) |
| Castalla to Bornheim | 919.88 mi (1,480.41 km) |
| Castalla to Bosel | 1,076.93 mi (1,733.16 km) |
| Castalla to Bottrop | 965.80 mi (1,554.31 km) |
| Castalla to Bovenden | 1,033.39 mi (1,663.08 km) |
| Castalla to Brackenheim | 870.47 mi (1,400.88 km) |
| Castalla to Brake | 1,106.93 mi (1,781.44 km) |
| Castalla to Brakel | 1,023.67 mi (1,647.44 km) |
| Castalla to Bramsche | 1,039.98 mi (1,673.69 km) |
| Castalla to Brand | 903.36 mi (1,453.82 km) |
| Castalla to Brand-Erbisdorf | 1,087.38 mi (1,749.97 km) |
