| Castelli Calepio to Blackburn | 785.69 mi (1,264.45 km) |
| Castelli Calepio to Blackpool | 806.43 mi (1,297.83 km) |
| Castelli Calepio to Blairgowrie | 946.88 mi (1,523.85 km) |
| Castelli Calepio to Blandford Forum | 660.87 mi (1,063.57 km) |
| Castelli Calepio to Blaydon | 821.51 mi (1,322.09 km) |
| Castelli Calepio to Bletchley | 652.37 mi (1,049.89 km) |
| Castelli Calepio to Bloxwich | 721.09 mi (1,160.47 km) |
| Castelli Calepio to Blunsdon Saint Andrew | 673.63 mi (1,084.10 km) |
| Castelli Calepio to Blyth | 824.31 mi (1,326.60 km) |
| Castelli Calepio to Bo'ness | 925.26 mi (1,489.07 km) |
| Castelli Calepio to Bodmin | 751.47 mi (1,209.38 km) |
| Castelli Calepio to Bognor Regis | 602.17 mi (969.10 km) |
| Castelli Calepio to Bolsover | 725.19 mi (1,167.08 km) |
| Castelli Calepio to Bolton | 776.45 mi (1,249.57 km) |
| Castelli Calepio to Bonhill | 950.31 mi (1,529.37 km) |
