| Harpenden to Bridgeton (Missouri) | 4,184.08 mi (6,733.63 km) |
| Harpenden to Bridgetown (Ohio) | 3,940.99 mi (6,342.40 km) |
| Harpenden to Bridgeview (Illinois) | 3,942.27 mi (6,344.47 km) |
| Harpenden to Brigham City (Utah) | 4,803.86 mi (7,731.07 km) |
| Harpenden to Brighton (Colorado) | 4,646.16 mi (7,477.27 km) |
| Harpenden to Bristol (Connecticut) | 3,360.31 mi (5,407.90 km) |
| Harpenden to Bristol (Tennessee) | 3,967.37 mi (6,384.86 km) |
| Harpenden to Bristol (Virginia) | 3,962.26 mi (6,376.64 km) |
| Harpenden to Broadlands (Virginia) | 3,663.24 mi (5,895.42 km) |
| Harpenden to Broadview Heights (Ohio) | 3,725.02 mi (5,994.84 km) |
| Harpenden to Brock Hall (Maryland) | 3,639.05 mi (5,856.48 km) |
| Harpenden to Brockton (Massachusetts) | 3,265.44 mi (5,255.22 km) |
| Harpenden to Broken Arrow (Oklahoma) | 4,523.58 mi (7,279.99 km) |
| Harpenden to Bronx (New York) | 3,433.70 mi (5,526.01 km) |
| Harpenden to Brook Park (Ohio) | 3,726.87 mi (5,997.81 km) |
