| Merthyr Tudful to Berkley (Colorado) | 4,560.61 mi (7,339.60 km) |
| Merthyr Tudful to Berkley (Michigan) | 3,614.85 mi (5,817.54 km) |
| Merthyr Tudful to Berthoud (Colorado) | 4,535.18 mi (7,298.67 km) |
| Merthyr Tudful to Berwick (Pennsylvania) | 3,400.26 mi (5,472.19 km) |
| Merthyr Tudful to Berwyn (Illinois) | 3,823.45 mi (6,153.25 km) |
| Merthyr Tudful to Bessemer (Alabama) | 4,192.89 mi (6,747.81 km) |
| Merthyr Tudful to Bethany (Oklahoma) | 4,508.62 mi (7,255.92 km) |
| Merthyr Tudful to Bethany (Oregon) | 4,813.60 mi (7,746.75 km) |
| Merthyr Tudful to Bethel Park (Pennsylvania) | 3,585.78 mi (5,770.76 km) |
| Merthyr Tudful to Bethesda (Maryland) | 3,526.51 mi (5,675.38 km) |
| Merthyr Tudful to Bethlehem (Pennsylvania) | 3,382.78 mi (5,444.05 km) |
| Merthyr Tudful to Bethpage (New York) | 3,300.23 mi (5,311.20 km) |
| Merthyr Tudful to Bettendorf (Iowa) | 3,939.25 mi (6,339.61 km) |
| Merthyr Tudful to Beverly (Massachusetts) | 3,116.44 mi (5,015.43 km) |
| Merthyr Tudful to Beverly Hills (California) | 5,327.88 mi (8,574.40 km) |
