| Obidos to Blackburn | 1,042.48 mi (1,677.71 km) |
| Obidos to Blackpool | 1,039.11 mi (1,672.29 km) |
| Obidos to Blairgowrie | 1,219.67 mi (1,962.88 km) |
| Obidos to Blandford Forum | 863.57 mi (1,389.78 km) |
| Obidos to Blaydon | 1,131.87 mi (1,821.57 km) |
| Obidos to Bletchley | 961.64 mi (1,547.61 km) |
| Obidos to Bloxwich | 976.99 mi (1,572.31 km) |
| Obidos to Blunsdon Saint Andrew | 917.55 mi (1,476.66 km) |
| Obidos to Blyth | 1,145.29 mi (1,843.17 km) |
| Obidos to Bo'ness | 1,178.65 mi (1,896.85 km) |
| Obidos to Bodmin | 797.26 mi (1,283.06 km) |
| Obidos to Bognor Regis | 889.89 mi (1,432.14 km) |
| Obidos to Bolsover | 1,028.00 mi (1,654.40 km) |
| Obidos to Bolton | 1,032.23 mi (1,661.21 km) |
| Obidos to Bonhill | 1,167.72 mi (1,879.26 km) |
