| Karlsruhe to Bingol | 1,726.59 mi (2,778.68 km) |
| Karlsruhe to Birecik | 1,692.57 mi (2,723.93 km) |
| Karlsruhe to Bitlis | 1,817.04 mi (2,924.24 km) |
| Karlsruhe to Bodrum | 1,261.38 mi (2,030.00 km) |
| Karlsruhe to Bogazliyan | 1,483.69 mi (2,387.77 km) |
| Karlsruhe to Bolu | 1,264.91 mi (2,035.67 km) |
| Karlsruhe to Bolvadin | 1,325.71 mi (2,133.52 km) |
| Karlsruhe to Bor | 1,509.66 mi (2,429.56 km) |
| Karlsruhe to Borcka | 1,688.64 mi (2,717.61 km) |
| Karlsruhe to Boyabat | 1,375.86 mi (2,214.24 km) |
| Karlsruhe to Bozdogan | 1,263.86 mi (2,033.98 km) |
| Karlsruhe to Bozkir | 1,444.07 mi (2,324.01 km) |
| Karlsruhe to Bozkurt | 1,308.48 mi (2,105.80 km) |
| Karlsruhe to Bozuyuk | 1,231.91 mi (1,982.57 km) |
| Karlsruhe to Bucak | 1,364.51 mi (2,195.97 km) |
