| Castelnau-le-Lez to Bonnyrigg | 900.40 mi (1,449.06 km) |
| Castelnau-le-Lez to Bootle | 746.61 mi (1,201.56 km) |
| Castelnau-le-Lez to Borehamwood | 587.01 mi (944.71 km) |
| Castelnau-le-Lez to Boscombe | 558.66 mi (899.08 km) |
| Castelnau-le-Lez to Boston | 669.59 mi (1,077.60 km) |
| Castelnau-le-Lez to Bottesford | 715.86 mi (1,152.07 km) |
| Castelnau-le-Lez to Bourne | 660.68 mi (1,063.27 km) |
| Castelnau-le-Lez to Bournemouth | 559.27 mi (900.06 km) |
| Castelnau-le-Lez to Bournville | 664.18 mi (1,068.89 km) |
| Castelnau-le-Lez to Bovingdon | 595.35 mi (958.12 km) |
| Castelnau-le-Lez to Bowdon | 730.84 mi (1,176.17 km) |
| Castelnau-le-Lez to Boxley | 552.23 mi (888.72 km) |
| Castelnau-le-Lez to Brackley | 625.15 mi (1,006.08 km) |
| Castelnau-le-Lez to Bracknell | 579.33 mi (932.35 km) |
| Castelnau-le-Lez to Bradford | 747.38 mi (1,202.80 km) |
