| Hemel Hempstead to Bonita (California) | 5,458.22 mi (8,784.16 km) |
| Hemel Hempstead to Bonita Springs (Florida) | 4,448.25 mi (7,158.77 km) |
| Hemel Hempstead to Bonney Lake (Washington) | 4,782.03 mi (7,695.94 km) |
| Hemel Hempstead to Boone (Iowa) | 4,151.47 mi (6,681.14 km) |
| Hemel Hempstead to Boone (North Carolina) | 3,958.36 mi (6,370.37 km) |
| Hemel Hempstead to Borger (Texas) | 4,750.13 mi (7,644.59 km) |
| Hemel Hempstead to Bossier City (Louisiana) | 4,619.02 mi (7,433.60 km) |
| Hemel Hempstead to Boston (Massachusetts) | 3,254.62 mi (5,237.81 km) |
| Hemel Hempstead to Bostonia (California) | 5,446.77 mi (8,765.74 km) |
| Hemel Hempstead to Bothell (Washington) | 4,749.03 mi (7,642.82 km) |
| Hemel Hempstead to Bothell East (Washington) | 4,746.63 mi (7,638.96 km) |
| Hemel Hempstead to Bothell West (Washington) | 4,748.14 mi (7,641.39 km) |
| Hemel Hempstead to Boulder (Colorado) | 4,657.68 mi (7,495.82 km) |
| Hemel Hempstead to Boulder City (Nevada) | 5,209.58 mi (8,384.00 km) |
| Hemel Hempstead to Bound Brook (New Jersey) | 3,469.97 mi (5,584.38 km) |
