| Castle Rock to Boppard | 5,016.98 mi (8,074.05 km) |
| Castle Rock to Borgentreich | 5,009.18 mi (8,061.50 km) |
| Castle Rock to Borgholzhausen | 4,954.38 mi (7,973.31 km) |
| Castle Rock to Borken | 4,920.52 mi (7,918.81 km) |
| Castle Rock to Borna | 5,132.46 mi (8,259.90 km) |
| Castle Rock to Bornheim | 4,973.57 mi (8,004.19 km) |
| Castle Rock to Bosel | 4,902.16 mi (7,889.26 km) |
| Castle Rock to Bottrop | 4,936.25 mi (7,944.12 km) |
| Castle Rock to Bovenden | 5,029.39 mi (8,094.02 km) |
| Castle Rock to Brackenheim | 5,119.15 mi (8,238.47 km) |
| Castle Rock to Brake | 4,903.74 mi (7,891.80 km) |
| Castle Rock to Brakel | 5,000.10 mi (8,046.88 km) |
| Castle Rock to Bramsche | 4,930.63 mi (7,935.08 km) |
| Castle Rock to Brand | 4,946.23 mi (7,960.18 km) |
| Castle Rock to Brand-Erbisdorf | 5,169.89 mi (8,320.13 km) |
