| Abertawe to Blackburn | 159.57 mi (256.81 km) |
| Abertawe to Blackpool | 156.43 mi (251.75 km) |
| Abertawe to Blairgowrie | 344.61 mi (554.60 km) |
| Abertawe to Blandford Forum | 93.40 mi (150.32 km) |
| Abertawe to Blaydon | 248.86 mi (400.50 km) |
| Abertawe to Bletchley | 139.92 mi (225.18 km) |
| Abertawe to Bloxwich | 107.54 mi (173.06 km) |
| Abertawe to Blunsdon Saint Andrew | 92.67 mi (149.14 km) |
| Abertawe to Blyth | 262.40 mi (422.29 km) |
| Abertawe to Bo'ness | 304.33 mi (489.78 km) |
| Abertawe to Bodmin | 86.22 mi (138.76 km) |
| Abertawe to Bognor Regis | 152.99 mi (246.21 km) |
| Abertawe to Bolsover | 158.15 mi (254.51 km) |
| Abertawe to Bolton | 149.79 mi (241.06 km) |
| Abertawe to Bonhill | 302.73 mi (487.19 km) |
