| Castelleone to Bonnyrigg | 920.33 mi (1,481.13 km) |
| Castelleone to Bootle | 801.59 mi (1,290.03 km) |
| Castelleone to Borehamwood | 634.87 mi (1,021.73 km) |
| Castelleone to Boscombe | 653.23 mi (1,051.26 km) |
| Castelleone to Boston | 689.39 mi (1,109.47 km) |
| Castelleone to Bottesford | 736.85 mi (1,185.85 km) |
| Castelleone to Bourne | 689.71 mi (1,109.98 km) |
| Castelleone to Bournemouth | 654.56 mi (1,053.41 km) |
| Castelleone to Bournville | 723.37 mi (1,164.15 km) |
| Castelleone to Bovingdon | 646.48 mi (1,040.40 km) |
| Castelleone to Bowdon | 778.87 mi (1,253.47 km) |
| Castelleone to Boxley | 592.24 mi (953.12 km) |
| Castelleone to Brackley | 680.14 mi (1,094.58 km) |
| Castelleone to Bracknell | 640.49 mi (1,030.77 km) |
| Castelleone to Bradford | 780.06 mi (1,255.39 km) |
