| Hemel Hempstead to Bilecik | 1,651.11 mi (2,657.20 km) |
| Hemel Hempstead to Bingol | 2,144.30 mi (3,450.92 km) |
| Hemel Hempstead to Birecik | 2,120.09 mi (3,411.95 km) |
| Hemel Hempstead to Bitlis | 2,233.18 mi (3,593.96 km) |
| Hemel Hempstead to Bodrum | 1,694.41 mi (2,726.89 km) |
| Hemel Hempstead to Bogazliyan | 1,910.10 mi (3,074.02 km) |
| Hemel Hempstead to Bolu | 1,692.84 mi (2,724.36 km) |
| Hemel Hempstead to Bolvadin | 1,758.37 mi (2,829.82 km) |
| Hemel Hempstead to Bor | 1,940.01 mi (3,122.14 km) |
| Hemel Hempstead to Borcka | 2,093.03 mi (3,368.40 km) |
| Hemel Hempstead to Boyabat | 1,795.36 mi (2,889.35 km) |
| Hemel Hempstead to Bozdogan | 1,697.82 mi (2,732.37 km) |
| Hemel Hempstead to Bozkir | 1,877.44 mi (3,021.44 km) |
| Hemel Hempstead to Bozkurt | 1,742.52 mi (2,804.32 km) |
| Hemel Hempstead to Bozuyuk | 1,663.78 mi (2,677.60 km) |
