| Merthyr Tudful to Bingen am Rhein | 506.43 mi (815.02 km) |
| Merthyr Tudful to Birkenau | 549.69 mi (884.65 km) |
| Merthyr Tudful to Birkenfeld | 565.30 mi (909.76 km) |
| Merthyr Tudful to Bischofsheim | 525.17 mi (845.18 km) |
| Merthyr Tudful to Bischofswerda | 755.62 mi (1,216.05 km) |
| Merthyr Tudful to Bisingen | 594.08 mi (956.08 km) |
| Merthyr Tudful to Bissendorf | 491.86 mi (791.58 km) |
| Merthyr Tudful to Bitburg | 448.99 mi (722.58 km) |
| Merthyr Tudful to Bitterfeld | 671.15 mi (1,080.10 km) |
| Merthyr Tudful to Blankenburg | 612.17 mi (985.19 km) |
| Merthyr Tudful to Blankenfelde | 712.59 mi (1,146.80 km) |
| Merthyr Tudful to Blaubeuren | 626.29 mi (1,007.92 km) |
| Merthyr Tudful to Bleicherode | 598.24 mi (962.78 km) |
| Merthyr Tudful to Blieskastel | 497.78 mi (801.10 km) |
| Merthyr Tudful to Blomberg | 531.51 mi (855.38 km) |
