| Kempston to Bilecik | 1,659.69 mi (2,671.02 km) |
| Kempston to Bingol | 2,149.13 mi (3,458.69 km) |
| Kempston to Birecik | 2,127.15 mi (3,423.31 km) |
| Kempston to Bitlis | 2,237.68 mi (3,601.20 km) |
| Kempston to Bodrum | 1,706.50 mi (2,746.35 km) |
| Kempston to Bogazliyan | 1,916.94 mi (3,085.01 km) |
| Kempston to Bolu | 1,700.18 mi (2,736.17 km) |
| Kempston to Bolvadin | 1,767.49 mi (2,844.49 km) |
| Kempston to Bor | 1,948.03 mi (3,135.06 km) |
| Kempston to Borcka | 2,095.72 mi (3,372.74 km) |
| Kempston to Boyabat | 1,800.71 mi (2,897.96 km) |
| Kempston to Bozdogan | 1,709.03 mi (2,750.42 km) |
| Kempston to Bozkir | 1,887.00 mi (3,036.84 km) |
| Kempston to Bozkurt | 1,752.97 mi (2,821.14 km) |
| Kempston to Bozuyuk | 1,672.52 mi (2,691.67 km) |
