| Bourne to Bilecik | 1,669.28 mi (2,686.44 km) |
| Bourne to Bingol | 2,151.46 mi (3,462.45 km) |
| Bourne to Birecik | 2,133.64 mi (3,433.76 km) |
| Bourne to Bitlis | 2,239.38 mi (3,603.93 km) |
| Bourne to Bodrum | 1,722.74 mi (2,772.49 km) |
| Bourne to Bogazliyan | 1,923.09 mi (3,094.92 km) |
| Bourne to Bolu | 1,707.40 mi (2,747.79 km) |
| Bourne to Bolvadin | 1,778.01 mi (2,861.44 km) |
| Bourne to Bor | 1,956.42 mi (3,148.55 km) |
| Bourne to Borcka | 2,094.15 mi (3,370.21 km) |
| Bourne to Boyabat | 1,804.17 mi (2,903.53 km) |
| Bourne to Bozdogan | 1,723.59 mi (2,773.84 km) |
| Bourne to Bozkir | 1,898.32 mi (3,055.06 km) |
| Bourne to Bozkurt | 1,766.04 mi (2,842.16 km) |
| Bourne to Bozuyuk | 1,682.39 mi (2,707.54 km) |
