| Port Talbot to Bonhill | 305.10 mi (491.01 km) |
| Port Talbot to Bonnyrigg | 297.36 mi (478.56 km) |
| Port Talbot to Bootle | 132.61 mi (213.42 km) |
| Port Talbot to Borehamwood | 151.31 mi (243.52 km) |
| Port Talbot to Boscombe | 103.82 mi (167.09 km) |
| Port Talbot to Boston | 186.05 mi (299.42 km) |
| Port Talbot to Bottesford | 188.68 mi (303.65 km) |
| Port Talbot to Bourne | 166.20 mi (267.47 km) |
| Port Talbot to Bournemouth | 102.62 mi (165.15 km) |
| Port Talbot to Bournville | 98.18 mi (158.01 km) |
| Port Talbot to Bovingdon | 140.10 mi (225.48 km) |
| Port Talbot to Bowdon | 137.29 mi (220.95 km) |
| Port Talbot to Boxley | 187.98 mi (302.53 km) |
| Port Talbot to Brackley | 117.30 mi (188.77 km) |
| Port Talbot to Bracknell | 131.70 mi (211.95 km) |
