| London Colney to Bispham | 186.24 mi (299.72 km) |
| London Colney to Blackburn | 166.87 mi (268.55 km) |
| London Colney to Blackpool | 184.46 mi (296.85 km) |
| London Colney to Blairgowrie | 357.89 mi (575.97 km) |
| London Colney to Blandford Forum | 100.53 mi (161.79 km) |
| London Colney to Blaydon | 231.17 mi (372.04 km) |
| London Colney to Bletchley | 26.13 mi (42.05 km) |
| London Colney to Bloxwich | 94.75 mi (152.49 km) |
| London Colney to Blunsdon Saint Andrew | 64.35 mi (103.56 km) |
| London Colney to Blyth | 240.17 mi (386.51 km) |
| London Colney to Bo'ness | 325.58 mi (523.97 km) |
| London Colney to Bodmin | 210.50 mi (338.77 km) |
| London Colney to Bognor Regis | 67.20 mi (108.14 km) |
| London Colney to Bolsover | 111.94 mi (180.15 km) |
| London Colney to Bolton | 155.99 mi (251.04 km) |
