| Merthyr Tudful to Brighton | 153.84 mi (247.58 km) |
| Merthyr Tudful to Brimington | 133.95 mi (215.57 km) |
| Merthyr Tudful to Brislington | 41.77 mi (67.23 km) |
| Merthyr Tudful to Bristol | 39.01 mi (62.78 km) |
| Merthyr Tudful to Brixham | 93.40 mi (150.31 km) |
| Merthyr Tudful to Brixton | 141.30 mi (227.40 km) |
| Merthyr Tudful to Broadstairs | 208.63 mi (335.75 km) |
| Merthyr Tudful to Broadstone | 90.47 mi (145.60 km) |
| Merthyr Tudful to Broadwater | 144.36 mi (232.33 km) |
| Merthyr Tudful to Brockworth | 52.99 mi (85.28 km) |
| Merthyr Tudful to Bromborough | 111.34 mi (179.19 km) |
| Merthyr Tudful to Bromley | 147.78 mi (237.82 km) |
| Merthyr Tudful to Bromsgrove | 69.44 mi (111.76 km) |
| Merthyr Tudful to Broughton Astley | 106.10 mi (170.75 km) |
| Merthyr Tudful to Broughty Ferry | 327.06 mi (526.35 km) |
