| Rockville to Bonhill | 3,404.17 mi (5,478.48 km) |
| Rockville to Bonnyrigg | 3,461.08 mi (5,570.07 km) |
| Rockville to Bootle | 3,507.14 mi (5,644.20 km) |
| Rockville to Borehamwood | 3,652.32 mi (5,877.84 km) |
| Rockville to Boscombe | 3,608.16 mi (5,806.78 km) |
| Rockville to Boston | 3,634.13 mi (5,848.56 km) |
| Rockville to Bottesford | 3,596.61 mi (5,788.19 km) |
| Rockville to Bourne | 3,624.29 mi (5,832.73 km) |
| Rockville to Bournemouth | 3,606.61 mi (5,804.28 km) |
| Rockville to Bournville | 3,568.78 mi (5,743.39 km) |
| Rockville to Bovingdon | 3,640.15 mi (5,858.25 km) |
| Rockville to Bowdon | 3,533.15 mi (5,686.06 km) |
| Rockville to Boxley | 3,693.45 mi (5,944.04 km) |
| Rockville to Brackley | 3,608.80 mi (5,807.80 km) |
| Rockville to Bracknell | 3,638.16 mi (5,855.06 km) |
