| Merthyr Tudful to Bradford | 157.57 mi (253.58 km) |
| Merthyr Tudful to Bradford-on-Avon | 55.62 mi (89.51 km) |
| Merthyr Tudful to Bradwell | 112.48 mi (181.02 km) |
| Merthyr Tudful to Braintree | 168.03 mi (270.43 km) |
| Merthyr Tudful to Bramhall | 122.62 mi (197.34 km) |
| Merthyr Tudful to Brandon | 176.69 mi (284.36 km) |
| Merthyr Tudful to Braunstone | 111.12 mi (178.83 km) |
| Merthyr Tudful to Bredbury | 127.46 mi (205.12 km) |
| Merthyr Tudful to Brentwood | 157.99 mi (254.26 km) |
| Merthyr Tudful to Bridgnorth | 68.16 mi (109.70 km) |
| Merthyr Tudful to Bridgwater | 45.61 mi (73.41 km) |
| Merthyr Tudful to Bridlington | 209.08 mi (336.49 km) |
| Merthyr Tudful to Bridport | 74.72 mi (120.24 km) |
| Merthyr Tudful to Brierley Hill | 73.61 mi (118.46 km) |
| Merthyr Tudful to Brighouse | 151.01 mi (243.03 km) |
