| Bonn to Bingol | 1,809.65 mi (2,912.35 km) |
| Bonn to Birecik | 1,786.44 mi (2,874.99 km) |
| Bonn to Bitlis | 1,898.65 mi (3,055.59 km) |
| Bonn to Bodrum | 1,376.99 mi (2,216.05 km) |
| Bonn to Bogazliyan | 1,576.20 mi (2,536.64 km) |
| Bonn to Bolu | 1,359.57 mi (2,188.02 km) |
| Bonn to Bolvadin | 1,428.85 mi (2,299.51 km) |
| Bonn to Bor | 1,607.87 mi (2,587.62 km) |
| Bonn to Borcka | 1,760.46 mi (2,833.18 km) |
| Bonn to Boyabat | 1,460.64 mi (2,350.67 km) |
| Bonn to Bozdogan | 1,376.03 mi (2,214.51 km) |
| Bonn to Bozkir | 1,549.18 mi (2,493.16 km) |
| Bonn to Bozkurt | 1,417.45 mi (2,281.17 km) |
| Bonn to Bozuyuk | 1,333.30 mi (2,145.74 km) |
| Bonn to Bucak | 1,472.36 mi (2,369.54 km) |
