| Karlsruhe to Azcoitia | 651.51 mi (1,048.50 km) |
| Karlsruhe to Azpeitia | 649.68 mi (1,045.56 km) |
| Karlsruhe to Azuqueca de Henares | 815.55 mi (1,312.50 km) |
| Karlsruhe to Badajoz | 1,033.27 mi (1,662.89 km) |
| Karlsruhe to Badalona | 603.00 mi (970.43 km) |
| Karlsruhe to Baena | 1,011.35 mi (1,627.61 km) |
| Karlsruhe to Baeza | 964.21 mi (1,551.75 km) |
| Karlsruhe to Bailen | 967.75 mi (1,557.44 km) |
| Karlsruhe to Balaguer | 619.54 mi (997.05 km) |
| Karlsruhe to Banolas | 548.25 mi (882.33 km) |
| Karlsruhe to Baranain | 645.92 mi (1,039.51 km) |
| Karlsruhe to Barbadanes | 911.19 mi (1,466.42 km) |
| Karlsruhe to Barbastro | 625.89 mi (1,007.27 km) |
| Karlsruhe to Barcelona | 607.46 mi (977.62 km) |
| Karlsruhe to Bargas | 874.09 mi (1,406.72 km) |
