| Castalla to Blumberg | 787.85 mi (1,267.92 km) |
| Castalla to Bobenheim-Roxheim | 880.14 mi (1,416.44 km) |
| Castalla to Bobingen | 880.44 mi (1,416.94 km) |
| Castalla to Boblingen | 847.32 mi (1,363.63 km) |
| Castalla to Bocholt | 979.73 mi (1,576.73 km) |
| Castalla to Bochum | 968.62 mi (1,558.85 km) |
| Castalla to Bockenem | 1,062.62 mi (1,710.13 km) |
| Castalla to Bockhorn | 1,102.61 mi (1,774.47 km) |
| Castalla to Bogen | 973.19 mi (1,566.19 km) |
| Castalla to Bohl-Iggelheim | 866.64 mi (1,394.73 km) |
| Castalla to Bohmte | 1,044.41 mi (1,680.82 km) |
| Castalla to Boizenburg | 1,154.49 mi (1,857.97 km) |
| Castalla to Bonen | 986.40 mi (1,587.46 km) |
| Castalla to Bonn | 920.19 mi (1,480.90 km) |
| Castalla to Bopfingen | 895.54 mi (1,441.23 km) |
