| Borehamwood to Bilecik | 1,641.13 mi (2,641.14 km) |
| Borehamwood to Bingol | 2,135.03 mi (3,436.00 km) |
| Borehamwood to Birecik | 2,110.37 mi (3,396.31 km) |
| Borehamwood to Bitlis | 2,223.98 mi (3,579.15 km) |
| Borehamwood to Bodrum | 1,683.97 mi (2,710.08 km) |
| Borehamwood to Bogazliyan | 1,900.43 mi (3,058.45 km) |
| Borehamwood to Bolu | 1,683.07 mi (2,708.64 km) |
| Borehamwood to Bolvadin | 1,748.30 mi (2,813.62 km) |
| Borehamwood to Bor | 1,930.12 mi (3,106.22 km) |
| Borehamwood to Borcka | 2,084.25 mi (3,354.27 km) |
| Borehamwood to Boyabat | 1,785.98 mi (2,874.26 km) |
| Borehamwood to Bozdogan | 1,687.47 mi (2,715.72 km) |
| Borehamwood to Bozkir | 1,867.30 mi (3,005.13 km) |
| Borehamwood to Bozkurt | 1,732.27 mi (2,787.81 km) |
| Borehamwood to Bozuyuk | 1,653.78 mi (2,661.50 km) |
