| Llantwit Major to Bonhill | 319.36 mi (513.95 km) |
| Llantwit Major to Bonnyrigg | 309.12 mi (497.48 km) |
| Llantwit Major to Bootle | 142.39 mi (229.16 km) |
| Llantwit Major to Borehamwood | 138.74 mi (223.28 km) |
| Llantwit Major to Boscombe | 85.17 mi (137.07 km) |
| Llantwit Major to Boston | 181.99 mi (292.89 km) |
| Llantwit Major to Bottesford | 189.45 mi (304.89 km) |
| Llantwit Major to Bourne | 161.69 mi (260.22 km) |
| Llantwit Major to Bournemouth | 83.93 mi (135.07 km) |
| Llantwit Major to Bournville | 96.47 mi (155.25 km) |
| Llantwit Major to Bovingdon | 128.08 mi (206.12 km) |
| Llantwit Major to Bowdon | 143.90 mi (231.59 km) |
| Llantwit Major to Boxley | 173.49 mi (279.21 km) |
| Llantwit Major to Brackley | 108.62 mi (174.81 km) |
| Llantwit Major to Bracknell | 117.47 mi (189.06 km) |
