| Harpenden to Bountiful (Utah) | 4,832.59 mi (7,777.30 km) |
| Harpenden to Bourbonnais (Illinois) | 3,971.14 mi (6,390.93 km) |
| Harpenden to Bowie (Maryland) | 3,634.56 mi (5,849.25 km) |
| Harpenden to Bowling Green (Kentucky) | 4,116.01 mi (6,624.07 km) |
| Harpenden to Bowling Green (Ohio) | 3,799.38 mi (6,114.51 km) |
| Harpenden to Box Elder (South Dakota) | 4,373.51 mi (7,038.49 km) |
| Harpenden to Boynton Beach (Florida) | 4,371.93 mi (7,035.94 km) |
| Harpenden to Bozeman (Montana) | 4,547.18 mi (7,317.98 km) |
| Harpenden to Bradenton (Florida) | 4,427.85 mi (7,125.93 km) |
| Harpenden to Bradfordville (Florida) | 4,340.35 mi (6,985.13 km) |
| Harpenden to Bradley (Illinois) | 3,970.76 mi (6,390.33 km) |
| Harpenden to Bradley Gardens (New Jersey) | 3,478.42 mi (5,597.98 km) |
| Harpenden to Brainerd (Minnesota) | 3,959.27 mi (6,371.83 km) |
| Harpenden to Brambleton (Virginia) | 3,665.53 mi (5,899.10 km) |
| Harpenden to Brandermill (Virginia) | 3,741.18 mi (6,020.85 km) |
