| Karlsruhe to Brandenburg | 296.66 mi (477.42 km) |
| Karlsruhe to Brandis | 245.78 mi (395.55 km) |
| Karlsruhe to Braunfels | 104.16 mi (167.63 km) |
| Karlsruhe to Braunsbedra | 220.52 mi (354.89 km) |
| Karlsruhe to Braunschweig | 243.34 mi (391.62 km) |
| Karlsruhe to Breckerfeld | 161.40 mi (259.75 km) |
| Karlsruhe to Breisach am Rhein | 77.18 mi (124.21 km) |
| Karlsruhe to Bremen | 282.02 mi (453.86 km) |
| Karlsruhe to Bremerhaven | 313.83 mi (505.07 km) |
| Karlsruhe to Bremervorde | 310.73 mi (500.07 km) |
| Karlsruhe to Bretten | 13.82 mi (22.23 km) |
| Karlsruhe to Bretzfeld | 48.10 mi (77.40 km) |
| Karlsruhe to Brieselang | 318.10 mi (511.93 km) |
| Karlsruhe to Brilon | 165.04 mi (265.61 km) |
| Karlsruhe to Bruchhausen-Vilsen | 265.49 mi (427.26 km) |
