| Desborough to Bilecik | 1,679.49 mi (2,702.88 km) |
| Desborough to Bingol | 2,165.96 mi (3,485.77 km) |
| Desborough to Birecik | 2,145.75 mi (3,453.24 km) |
| Desborough to Bitlis | 2,254.23 mi (3,627.83 km) |
| Desborough to Bodrum | 1,728.70 mi (2,782.07 km) |
| Desborough to Bogazliyan | 1,935.38 mi (3,114.70 km) |
| Desborough to Bolu | 1,719.04 mi (2,766.53 km) |
| Desborough to Bolvadin | 1,787.66 mi (2,876.95 km) |
| Desborough to Bor | 1,967.38 mi (3,166.20 km) |
| Desborough to Borcka | 2,110.76 mi (3,396.94 km) |
| Desborough to Boyabat | 1,818.00 mi (2,925.79 km) |
| Desborough to Bozdogan | 1,730.66 mi (2,785.23 km) |
| Desborough to Bozkir | 1,907.48 mi (3,069.79 km) |
| Desborough to Bozkurt | 1,774.08 mi (2,855.10 km) |
| Desborough to Bozuyuk | 1,692.43 mi (2,723.71 km) |
