| Boadilla del Monte to Blackburn | 924.06 mi (1,487.13 km) |
| Boadilla del Monte to Blackpool | 927.15 mi (1,492.10 km) |
| Boadilla del Monte to Blairgowrie | 1,118.51 mi (1,800.07 km) |
| Boadilla del Monte to Blandford Forum | 726.62 mi (1,169.38 km) |
| Boadilla del Monte to Blaydon | 1,010.59 mi (1,626.39 km) |
| Boadilla del Monte to Bletchley | 814.37 mi (1,310.61 km) |
| Boadilla del Monte to Bloxwich | 848.03 mi (1,364.77 km) |
| Boadilla del Monte to Blunsdon Saint Andrew | 780.41 mi (1,255.95 km) |
| Boadilla del Monte to Blyth | 1,022.73 mi (1,645.93 km) |
| Boadilla del Monte to Bo'ness | 1,078.61 mi (1,735.85 km) |
| Boadilla del Monte to Bodmin | 696.20 mi (1,120.43 km) |
| Boadilla del Monte to Bognor Regis | 733.18 mi (1,179.94 km) |
| Boadilla del Monte to Bolsover | 894.27 mi (1,439.19 km) |
| Boadilla del Monte to Bolton | 912.53 mi (1,468.58 km) |
| Boadilla del Monte to Bonhill | 1,076.66 mi (1,732.72 km) |
