| Cartaxo to Blackburn | 1,051.26 mi (1,691.84 km) |
| Cartaxo to Blackpool | 1,048.41 mi (1,687.26 km) |
| Cartaxo to Blairgowrie | 1,230.27 mi (1,979.93 km) |
| Cartaxo to Blandford Forum | 870.17 mi (1,400.40 km) |
| Cartaxo to Blaydon | 1,140.64 mi (1,835.69 km) |
| Cartaxo to Bletchley | 967.69 mi (1,557.35 km) |
| Cartaxo to Bloxwich | 984.69 mi (1,584.70 km) |
| Cartaxo to Blunsdon Saint Andrew | 924.34 mi (1,487.59 km) |
| Cartaxo to Blyth | 1,153.99 mi (1,857.16 km) |
| Cartaxo to Bo'ness | 1,189.25 mi (1,913.91 km) |
| Cartaxo to Bodmin | 806.53 mi (1,297.99 km) |
| Cartaxo to Bognor Regis | 894.84 mi (1,440.10 km) |
| Cartaxo to Bolsover | 1,035.44 mi (1,666.38 km) |
| Cartaxo to Bolton | 1,040.87 mi (1,675.12 km) |
| Cartaxo to Bonhill | 1,178.99 mi (1,897.41 km) |
