| Grays to Bilecik | 1,612.68 mi (2,595.36 km) |
| Grays to Bingol | 2,107.61 mi (3,391.87 km) |
| Grays to Birecik | 2,082.25 mi (3,351.06 km) |
| Grays to Bitlis | 2,196.68 mi (3,535.21 km) |
| Grays to Bodrum | 1,655.18 mi (2,663.75 km) |
| Grays to Bogazliyan | 1,872.38 mi (3,013.31 km) |
| Grays to Bolu | 1,654.90 mi (2,663.30 km) |
| Grays to Bolvadin | 1,719.76 mi (2,767.69 km) |
| Grays to Bor | 1,901.78 mi (3,060.61 km) |
| Grays to Borcka | 2,057.70 mi (3,311.55 km) |
| Grays to Boyabat | 1,758.40 mi (2,829.87 km) |
| Grays to Bozdogan | 1,658.70 mi (2,669.42 km) |
| Grays to Bozkir | 1,838.69 mi (2,959.08 km) |
| Grays to Bozkurt | 1,703.55 mi (2,741.61 km) |
| Grays to Bozuyuk | 1,625.31 mi (2,615.68 km) |
