| Castleford to Bilecik | 1,729.40 mi (2,783.20 km) |
| Castleford to Bingol | 2,202.85 mi (3,545.14 km) |
| Castleford to Birecik | 2,190.02 mi (3,524.50 km) |
| Castleford to Bitlis | 2,289.90 mi (3,685.24 km) |
| Castleford to Bodrum | 1,789.32 mi (2,879.64 km) |
| Castleford to Bogazliyan | 1,979.22 mi (3,185.25 km) |
| Castleford to Bolu | 1,764.91 mi (2,840.35 km) |
| Castleford to Bolvadin | 1,839.04 mi (2,959.65 km) |
| Castleford to Bor | 2,015.03 mi (3,242.88 km) |
| Castleford to Borcka | 2,140.54 mi (3,444.86 km) |
| Castleford to Boyabat | 1,857.21 mi (2,988.89 km) |
| Castleford to Bozdogan | 1,788.63 mi (2,878.52 km) |
| Castleford to Bozkir | 1,960.09 mi (3,154.47 km) |
| Castleford to Bozkurt | 1,829.63 mi (2,944.51 km) |
| Castleford to Bozuyuk | 1,742.80 mi (2,804.76 km) |
