| Tonyrefail to Bonhill | 307.45 mi (494.79 km) |
| Tonyrefail to Bonnyrigg | 296.76 mi (477.59 km) |
| Tonyrefail to Bootle | 129.96 mi (209.16 km) |
| Tonyrefail to Borehamwood | 135.57 mi (218.18 km) |
| Tonyrefail to Boscombe | 90.96 mi (146.38 km) |
| Tonyrefail to Boston | 173.16 mi (278.67 km) |
| Tonyrefail to Bottesford | 178.63 mi (287.48 km) |
| Tonyrefail to Bourne | 153.05 mi (246.31 km) |
| Tonyrefail to Bournemouth | 89.88 mi (144.65 km) |
| Tonyrefail to Bournville | 86.36 mi (138.99 km) |
| Tonyrefail to Bovingdon | 124.41 mi (200.23 km) |
| Tonyrefail to Bowdon | 131.67 mi (211.90 km) |
| Tonyrefail to Boxley | 172.20 mi (277.13 km) |
| Tonyrefail to Brackley | 102.34 mi (164.71 km) |
| Tonyrefail to Bracknell | 115.92 mi (186.55 km) |
