| Caerfyrddin to Brandenburg | 713.98 mi (1,149.04 km) |
| Caerfyrddin to Brandis | 725.70 mi (1,167.90 km) |
| Caerfyrddin to Braunfels | 556.95 mi (896.33 km) |
| Caerfyrddin to Braunsbedra | 696.09 mi (1,120.25 km) |
| Caerfyrddin to Braunschweig | 629.62 mi (1,013.28 km) |
| Caerfyrddin to Breckerfeld | 507.19 mi (816.24 km) |
| Caerfyrddin to Breisach am Rhein | 590.39 mi (950.14 km) |
| Caerfyrddin to Bremen | 557.72 mi (897.56 km) |
| Caerfyrddin to Bremerhaven | 551.77 mi (887.98 km) |
| Caerfyrddin to Bremervorde | 573.70 mi (923.28 km) |
| Caerfyrddin to Bretten | 604.18 mi (972.33 km) |
| Caerfyrddin to Bretzfeld | 630.50 mi (1,014.69 km) |
| Caerfyrddin to Brieselang | 732.92 mi (1,179.52 km) |
| Caerfyrddin to Brilon | 552.81 mi (889.67 km) |
| Caerfyrddin to Bruchhausen-Vilsen | 565.28 mi (909.73 km) |
