| Cosham to Bilecik | 1,658.95 mi (2,669.82 km) |
| Cosham to Bingol | 2,162.10 mi (3,479.57 km) |
| Cosham to Birecik | 2,131.82 mi (3,430.83 km) |
| Cosham to Bitlis | 2,251.80 mi (3,623.91 km) |
| Cosham to Bodrum | 1,691.71 mi (2,722.55 km) |
| Cosham to Bogazliyan | 1,922.64 mi (3,094.19 km) |
| Cosham to Bolu | 1,704.17 mi (2,742.59 km) |
| Cosham to Bolvadin | 1,764.55 mi (2,839.78 km) |
| Cosham to Bor | 1,949.15 mi (3,136.86 km) |
| Cosham to Borcka | 2,116.43 mi (3,406.07 km) |
| Cosham to Boyabat | 1,812.04 mi (2,916.20 km) |
| Cosham to Bozdogan | 1,697.82 mi (2,732.38 km) |
| Cosham to Bozkir | 1,882.19 mi (3,029.09 km) |
| Cosham to Bozkurt | 1,744.79 mi (2,807.97 km) |
| Cosham to Bozuyuk | 1,671.17 mi (2,689.49 km) |
