| Boston to Burntwood | 81.77 mi (131.59 km) |
| Boston to Burscough | 124.21 mi (199.90 km) |
| Boston to Burslem | 90.19 mi (145.15 km) |
| Boston to Burton upon Trent | 68.38 mi (110.05 km) |
| Boston to Burtonwood | 113.71 mi (183.00 km) |
| Boston to Bury | 103.30 mi (166.25 km) |
| Boston to Bury Saint Edmunds | 59.02 mi (94.98 km) |
| Boston to Bushey | 93.08 mi (149.79 km) |
| Boston to Buxton | 80.79 mi (130.02 km) |
| Boston to Caerdydd | 168.77 mi (271.61 km) |
| Boston to Caerfyrddin | 196.74 mi (316.62 km) |
| Boston to Caernarfon | 176.78 mi (284.49 km) |
| Boston to Caerphilly | 166.00 mi (267.16 km) |
| Boston to Caister-on-Sea | 76.59 mi (123.26 km) |
| Boston to Caldicot | 149.73 mi (240.97 km) |
