| Cinfaes to Blackburn | 912.22 mi (1,468.08 km) |
| Cinfaes to Blackpool | 909.40 mi (1,463.54 km) |
| Cinfaes to Blairgowrie | 1,091.66 mi (1,756.86 km) |
| Cinfaes to Blandford Forum | 731.86 mi (1,177.82 km) |
| Cinfaes to Blaydon | 1,001.61 mi (1,611.93 km) |
| Cinfaes to Bletchley | 829.79 mi (1,335.41 km) |
| Cinfaes to Bloxwich | 845.85 mi (1,361.26 km) |
| Cinfaes to Blunsdon Saint Andrew | 785.92 mi (1,264.82 km) |
| Cinfaes to Blyth | 1,014.95 mi (1,633.41 km) |
| Cinfaes to Bo'ness | 1,050.65 mi (1,690.85 km) |
| Cinfaes to Bodmin | 667.53 mi (1,074.29 km) |
| Cinfaes to Bognor Regis | 757.98 mi (1,219.85 km) |
| Cinfaes to Bolsover | 896.70 mi (1,443.10 km) |
| Cinfaes to Bolton | 901.84 mi (1,451.37 km) |
| Cinfaes to Bonhill | 1,040.82 mi (1,675.04 km) |
