| Castalla to Bonnyrigg | 1,199.05 mi (1,929.68 km) |
| Castalla to Bootle | 1,031.84 mi (1,660.58 km) |
| Castalla to Borehamwood | 902.64 mi (1,452.66 km) |
| Castalla to Boscombe | 839.92 mi (1,351.73 km) |
| Castalla to Boston | 993.86 mi (1,599.46 km) |
| Castalla to Bottesford | 1,033.32 mi (1,662.96 km) |
| Castalla to Bourne | 979.27 mi (1,575.98 km) |
| Castalla to Bournemouth | 839.71 mi (1,351.39 km) |
| Castalla to Bournville | 957.70 mi (1,541.27 km) |
| Castalla to Bovingdon | 906.97 mi (1,459.63 km) |
| Castalla to Bowdon | 1,024.31 mi (1,648.47 km) |
| Castalla to Boxley | 879.85 mi (1,415.98 km) |
| Castalla to Brackley | 928.57 mi (1,494.39 km) |
| Castalla to Bracknell | 885.74 mi (1,425.45 km) |
| Castalla to Bradford | 1,051.68 mi (1,692.52 km) |
