| Katy to Bonhill | 4,584.71 mi (7,378.39 km) |
| Katy to Bonnyrigg | 4,640.67 mi (7,468.44 km) |
| Katy to Bootle | 4,703.35 mi (7,569.31 km) |
| Katy to Borehamwood | 4,855.63 mi (7,814.38 km) |
| Katy to Boscombe | 4,818.38 mi (7,754.43 km) |
| Katy to Boston | 4,829.40 mi (7,772.17 km) |
| Katy to Bottesford | 4,789.14 mi (7,707.38 km) |
| Katy to Bourne | 4,821.30 mi (7,759.14 km) |
| Katy to Bournemouth | 4,816.89 mi (7,752.04 km) |
| Katy to Bournville | 4,769.83 mi (7,676.31 km) |
| Katy to Bovingdon | 4,843.44 mi (7,794.77 km) |
| Katy to Bowdon | 4,729.02 mi (7,610.63 km) |
| Katy to Boxley | 4,897.63 mi (7,881.97 km) |
| Katy to Brackley | 4,811.15 mi (7,742.79 km) |
| Katy to Bracknell | 4,843.42 mi (7,794.73 km) |
