| Swansea to Belper | 4,099.14 mi (6,596.93 km) |
| Swansea to Bentley | 4,096.55 mi (6,592.77 km) |
| Swansea to Berkhampstead | 4,171.45 mi (6,713.31 km) |
| Swansea to Berwick-Upon-Tweed | 4,003.60 mi (6,443.17 km) |
| Swansea to Beverley | 4,114.70 mi (6,621.96 km) |
| Swansea to Bewdley | 4,085.90 mi (6,575.62 km) |
| Swansea to Bexleyheath | 4,207.51 mi (6,771.33 km) |
| Swansea to Bicester | 4,144.56 mi (6,670.02 km) |
| Swansea to Bickenhill | 4,106.69 mi (6,609.07 km) |
| Swansea to Bickley | 4,205.79 mi (6,768.56 km) |
| Swansea to Biddulph | 4,070.27 mi (6,550.47 km) |
| Swansea to Bideford | 4,050.47 mi (6,518.60 km) |
| Swansea to Bidston | 4,028.07 mi (6,482.56 km) |
| Swansea to Biggleswade | 4,173.29 mi (6,716.26 km) |
| Swansea to Billericay | 4,213.07 mi (6,780.28 km) |
