| Castelginest to Blackburn | 716.96 mi (1,153.84 km) |
| Castelginest to Blackpool | 728.10 mi (1,171.77 km) |
| Castelginest to Blairgowrie | 915.33 mi (1,473.08 km) |
| Castelginest to Blandford Forum | 522.66 mi (841.14 km) |
| Castelginest to Blaydon | 791.26 mi (1,273.41 km) |
| Castelginest to Bletchley | 582.15 mi (936.88 km) |
| Castelginest to Bloxwich | 636.18 mi (1,023.83 km) |
| Castelginest to Blunsdon Saint Andrew | 567.02 mi (912.53 km) |
| Castelginest to Blyth | 800.75 mi (1,288.68 km) |
| Castelginest to Bo'ness | 879.98 mi (1,416.20 km) |
| Castelginest to Bodmin | 549.75 mi (884.74 km) |
| Castelginest to Bognor Regis | 499.63 mi (804.07 km) |
| Castelginest to Bolsover | 670.48 mi (1,079.04 km) |
| Castelginest to Bolton | 705.07 mi (1,134.70 km) |
| Castelginest to Bonhill | 889.39 mi (1,431.33 km) |
