| Rapid City to Bonhill | 4,071.82 mi (6,552.96 km) |
| Rapid City to Bonnyrigg | 4,122.77 mi (6,634.95 km) |
| Rapid City to Bootle | 4,224.10 mi (6,798.03 km) |
| Rapid City to Borehamwood | 4,389.76 mi (7,064.64 km) |
| Rapid City to Boscombe | 4,376.37 mi (7,043.09 km) |
| Rapid City to Boston | 4,341.64 mi (6,987.19 km) |
| Rapid City to Bottesford | 4,295.92 mi (6,913.61 km) |
| Rapid City to Bourne | 4,338.72 mi (6,982.49 km) |
| Rapid City to Bournemouth | 4,375.20 mi (7,041.21 km) |
| Rapid City to Bournville | 4,301.22 mi (6,922.15 km) |
| Rapid City to Bovingdon | 4,378.09 mi (7,045.85 km) |
| Rapid City to Bowdon | 4,247.62 mi (6,835.88 km) |
| Rapid City to Boxley | 4,432.48 mi (7,133.39 km) |
| Rapid City to Brackley | 4,344.43 mi (6,991.69 km) |
| Rapid City to Bracknell | 4,384.10 mi (7,055.53 km) |
