| London to Bishopstoke | 63.91 mi (102.85 km) |
| London to Bispham | 202.80 mi (326.37 km) |
| London to Blackburn | 183.61 mi (295.49 km) |
| London to Blackpool | 200.99 mi (323.46 km) |
| London to Blairgowrie | 374.59 mi (602.85 km) |
| London to Blandford Forum | 99.05 mi (159.41 km) |
| London to Blaydon | 247.66 mi (398.57 km) |
| London to Bletchley | 42.42 mi (68.28 km) |
| London to Bloxwich | 110.46 mi (177.76 km) |
| London to Blunsdon Saint Andrew | 71.77 mi (115.50 km) |
| London to Blyth | 256.49 mi (412.78 km) |
| London to Bo'ness | 342.39 mi (551.02 km) |
| London to Bodmin | 212.18 mi (341.47 km) |
| London to Bognor Regis | 55.44 mi (89.23 km) |
| London to Bolsover | 128.72 mi (207.16 km) |
