| Karlsruhe to Bitritto | 686.00 mi (1,104.01 km) |
| Karlsruhe to Bollate | 241.33 mi (388.38 km) |
| Karlsruhe to Bologna | 341.52 mi (549.63 km) |
| Karlsruhe to Bolzano | 221.08 mi (355.79 km) |
| Karlsruhe to Bomporto | 320.43 mi (515.68 km) |
| Karlsruhe to Bonate di Sopra | 236.15 mi (380.04 km) |
| Karlsruhe to Bondeno | 318.46 mi (512.52 km) |
| Karlsruhe to Bordighera | 362.77 mi (583.83 km) |
| Karlsruhe to Borgaro Torinese | 268.99 mi (432.90 km) |
| Karlsruhe to Borgo a Buggiano | 371.07 mi (597.18 km) |
| Karlsruhe to Borgo San Dalmazzo | 326.00 mi (524.65 km) |
| Karlsruhe to Borgo San Lorenzo | 377.13 mi (606.93 km) |
| Karlsruhe to Borgomanero | 228.66 mi (368.00 km) |
| Karlsruhe to Borgoricco | 293.41 mi (472.21 km) |
| Karlsruhe to Borgosatollo | 258.84 mi (416.56 km) |
