| Castle Pines to Blumberg | 5,155.48 mi (8,296.94 km) |
| Castle Pines to Bobenheim-Roxheim | 5,068.26 mi (8,156.58 km) |
| Castle Pines to Bobingen | 5,211.83 mi (8,387.62 km) |
| Castle Pines to Boblingen | 5,132.01 mi (8,259.18 km) |
| Castle Pines to Bocholt | 4,908.24 mi (7,899.04 km) |
| Castle Pines to Bochum | 4,943.54 mi (7,955.86 km) |
| Castle Pines to Bockenem | 5,011.88 mi (8,065.85 km) |
| Castle Pines to Bockhorn | 4,881.91 mi (7,856.68 km) |
| Castle Pines to Bogen | 5,241.08 mi (8,434.71 km) |
| Castle Pines to Bohl-Iggelheim | 5,076.39 mi (8,169.66 km) |
| Castle Pines to Bohmte | 4,938.44 mi (7,947.65 km) |
| Castle Pines to Boizenburg | 4,966.16 mi (7,992.26 km) |
| Castle Pines to Bonen | 4,955.79 mi (7,975.58 km) |
| Castle Pines to Bonn | 4,973.76 mi (8,004.49 km) |
| Castle Pines to Bopfingen | 5,168.26 mi (8,317.51 km) |
