| Castelleone to Blackburn | 799.45 mi (1,286.59 km) |
| Castelleone to Blackpool | 819.90 mi (1,319.49 km) |
| Castelleone to Blairgowrie | 963.18 mi (1,550.09 km) |
| Castelleone to Blandford Forum | 670.05 mi (1,078.34 km) |
| Castelleone to Blaydon | 837.21 mi (1,347.36 km) |
| Castelleone to Bletchley | 664.84 mi (1,069.95 km) |
| Castelleone to Bloxwich | 733.55 mi (1,180.54 km) |
| Castelleone to Blunsdon Saint Andrew | 684.55 mi (1,101.68 km) |
| Castelleone to Blyth | 840.32 mi (1,352.36 km) |
| Castelleone to Bo'ness | 940.89 mi (1,514.22 km) |
| Castelleone to Bodmin | 758.30 mi (1,220.37 km) |
| Castelleone to Bognor Regis | 612.38 mi (985.53 km) |
| Castelleone to Bolsover | 739.11 mi (1,189.48 km) |
| Castelleone to Bolton | 790.01 mi (1,271.40 km) |
| Castelleone to Bonhill | 965.38 mi (1,553.63 km) |
