| Harpenden to Buenaventura Lakes (Florida) | 4,334.25 mi (6,975.29 km) |
| Harpenden to Buffalo (Minnesota) | 4,003.00 mi (6,442.21 km) |
| Harpenden to Buffalo (New York) | 3,543.68 mi (5,702.99 km) |
| Harpenden to Buffalo Grove (Illinois) | 3,928.17 mi (6,321.78 km) |
| Harpenden to Buford (Georgia) | 4,156.49 mi (6,689.22 km) |
| Harpenden to Bull Run (Virginia) | 3,674.13 mi (5,912.95 km) |
| Harpenden to Bullhead City (Arizona) | 5,238.56 mi (8,430.64 km) |
| Harpenden to Burbank (California) | 5,413.79 mi (8,712.66 km) |
| Harpenden to Burbank (Illinois) | 3,940.63 mi (6,341.84 km) |
| Harpenden to Burien (Washington) | 4,769.07 mi (7,675.07 km) |
| Harpenden to Burkburnett (Texas) | 4,729.76 mi (7,611.81 km) |
| Harpenden to Burke (Virginia) | 3,663.83 mi (5,896.37 km) |
| Harpenden to Burke Centre (Virginia) | 3,664.73 mi (5,897.81 km) |
| Harpenden to Burleson (Texas) | 4,764.01 mi (7,666.94 km) |
| Harpenden to Burley (Idaho) | 4,801.85 mi (7,727.83 km) |
