| Castle Rock to Blumberg | 5,159.48 mi (8,303.38 km) |
| Castle Rock to Bobenheim-Roxheim | 5,072.36 mi (8,163.18 km) |
| Castle Rock to Bobingen | 5,215.93 mi (8,394.23 km) |
| Castle Rock to Boblingen | 5,136.08 mi (8,265.72 km) |
| Castle Rock to Bocholt | 4,912.41 mi (7,905.76 km) |
| Castle Rock to Bochum | 4,947.71 mi (7,962.57 km) |
| Castle Rock to Bockenem | 5,016.18 mi (8,072.76 km) |
| Castle Rock to Bockhorn | 4,886.22 mi (7,863.62 km) |
| Castle Rock to Bogen | 5,245.29 mi (8,441.48 km) |
| Castle Rock to Bohl-Iggelheim | 5,080.47 mi (8,176.23 km) |
| Castle Rock to Bohmte | 4,942.70 mi (7,954.51 km) |
| Castle Rock to Boizenburg | 4,970.55 mi (7,999.33 km) |
| Castle Rock to Bonen | 4,959.99 mi (7,982.34 km) |
| Castle Rock to Bonn | 4,977.88 mi (8,011.13 km) |
| Castle Rock to Bopfingen | 5,172.39 mi (8,324.15 km) |
