| Merthyr Tudful to Brandenburg | 675.86 mi (1,087.68 km) |
| Merthyr Tudful to Brandis | 686.24 mi (1,104.39 km) |
| Merthyr Tudful to Braunfels | 516.37 mi (831.02 km) |
| Merthyr Tudful to Braunsbedra | 656.51 mi (1,056.54 km) |
| Merthyr Tudful to Braunschweig | 591.19 mi (951.42 km) |
| Merthyr Tudful to Breckerfeld | 467.12 mi (751.76 km) |
| Merthyr Tudful to Breisach am Rhein | 550.39 mi (885.77 km) |
| Merthyr Tudful to Bremen | 520.85 mi (838.23 km) |
| Merthyr Tudful to Bremerhaven | 516.06 mi (830.51 km) |
| Merthyr Tudful to Bremervorde | 537.72 mi (865.38 km) |
| Merthyr Tudful to Bretten | 563.41 mi (906.72 km) |
| Merthyr Tudful to Bretzfeld | 589.67 mi (948.99 km) |
| Merthyr Tudful to Brieselang | 695.06 mi (1,118.59 km) |
| Merthyr Tudful to Brilon | 513.01 mi (825.61 km) |
| Merthyr Tudful to Bruchhausen-Vilsen | 527.86 mi (849.51 km) |
