| Harpenden to Anderson (Indiana) | 3,938.29 mi (6,338.07 km) |
| Harpenden to Anderson (South Carolina) | 4,082.49 mi (6,570.13 km) |
| Harpenden to Anderson Creek (North Carolina) | 3,896.10 mi (6,270.16 km) |
| Harpenden to Andover (Kansas) | 4,490.39 mi (7,226.58 km) |
| Harpenden to Andover (Minnesota) | 3,980.23 mi (6,405.56 km) |
| Harpenden to Andrews (Texas) | 4,971.15 mi (8,000.29 km) |
| Harpenden to Angleton (Texas) | 4,864.46 mi (7,828.60 km) |
| Harpenden to Ankeny (Iowa) | 4,159.13 mi (6,693.48 km) |
| Harpenden to Ann Arbor (Michigan) | 3,761.63 mi (6,053.77 km) |
| Harpenden to Anna (Texas) | 4,690.93 mi (7,549.32 km) |
| Harpenden to Annandale (Virginia) | 3,658.60 mi (5,887.95 km) |
| Harpenden to Annapolis (Maryland) | 3,624.26 mi (5,832.68 km) |
| Harpenden to Annapolis Neck (Maryland) | 3,625.40 mi (5,834.51 km) |
| Harpenden to Anniston (Alabama) | 4,252.13 mi (6,843.14 km) |
| Harpenden to Anoka (Minnesota) | 3,984.69 mi (6,412.74 km) |
