| Castle Rock to Beocin | 5,658.47 mi (9,106.42 km) |
| Castle Rock to Blace | 5,809.13 mi (9,348.89 km) |
| Castle Rock to Bogatic | 5,670.00 mi (9,124.98 km) |
| Castle Rock to Bojnik | 5,837.69 mi (9,394.86 km) |
| Castle Rock to Boljevac | 5,801.20 mi (9,336.13 km) |
| Castle Rock to Bor | 5,789.36 mi (9,317.07 km) |
| Castle Rock to Borca | 5,698.38 mi (9,170.65 km) |
| Castle Rock to Bosilegrad | 5,889.28 mi (9,477.88 km) |
| Castle Rock to Brus | 5,796.20 mi (9,328.08 km) |
| Castle Rock to Bujanovac | 5,868.81 mi (9,444.94 km) |
| Castle Rock to Cacak | 5,747.39 mi (9,249.53 km) |
| Castle Rock to Cajetina | 5,734.75 mi (9,229.19 km) |
| Castle Rock to Cicevac | 5,791.39 mi (9,320.34 km) |
| Castle Rock to Coka | 5,632.53 mi (9,064.68 km) |
| Castle Rock to Crna Trava | 5,867.00 mi (9,442.03 km) |
