| Rhondda to Brandenburg | 679.13 mi (1,092.95 km) |
| Rhondda to Brandis | 688.59 mi (1,108.17 km) |
| Rhondda to Braunfels | 517.40 mi (832.67 km) |
| Rhondda to Braunsbedra | 658.75 mi (1,060.16 km) |
| Rhondda to Braunschweig | 594.29 mi (956.41 km) |
| Rhondda to Breckerfeld | 468.93 mi (754.68 km) |
| Rhondda to Breisach am Rhein | 548.52 mi (882.76 km) |
| Rhondda to Bremen | 524.83 mi (844.63 km) |
| Rhondda to Bremerhaven | 520.53 mi (837.72 km) |
| Rhondda to Bremervorde | 542.08 mi (872.39 km) |
| Rhondda to Bretten | 562.90 mi (905.90 km) |
| Rhondda to Bretzfeld | 589.51 mi (948.72 km) |
| Rhondda to Brieselang | 698.48 mi (1,124.10 km) |
| Rhondda to Brilon | 515.09 mi (828.95 km) |
| Rhondda to Bruchhausen-Vilsen | 531.56 mi (855.46 km) |
