| Didcot to Bilecik | 1,679.97 mi (2,703.65 km) |
| Didcot to Bingol | 2,175.72 mi (3,501.49 km) |
| Didcot to Birecik | 2,150.06 mi (3,460.19 km) |
| Didcot to Bitlis | 2,264.79 mi (3,644.83 km) |
| Didcot to Bodrum | 1,720.01 mi (2,768.09 km) |
| Didcot to Bogazliyan | 1,940.26 mi (3,122.54 km) |
| Didcot to Bolu | 1,722.65 mi (2,772.34 km) |
| Didcot to Bolvadin | 1,786.78 mi (2,875.54 km) |
| Didcot to Bor | 1,969.28 mi (3,169.24 km) |
| Didcot to Borcka | 2,125.58 mi (3,420.78 km) |
| Didcot to Boyabat | 1,826.49 mi (2,939.46 km) |
| Didcot to Bozdogan | 1,724.32 mi (2,775.02 km) |
| Didcot to Bozkir | 1,905.44 mi (3,066.51 km) |
| Didcot to Bozkurt | 1,769.75 mi (2,848.14 km) |
| Didcot to Bozuyuk | 1,692.52 mi (2,723.85 km) |
