| Harpenden to Atwater (California) | 5,302.06 mi (8,532.84 km) |
| Harpenden to Auburn (Alabama) | 4,291.57 mi (6,906.61 km) |
| Harpenden to Auburn (California) | 5,227.34 mi (8,412.59 km) |
| Harpenden to Auburn (Indiana) | 3,854.35 mi (6,202.98 km) |
| Harpenden to Auburn (Maine) | 3,151.60 mi (5,072.01 km) |
| Harpenden to Auburn (New York) | 3,452.27 mi (5,555.89 km) |
| Harpenden to Auburn (Washington) | 4,775.54 mi (7,685.48 km) |
| Harpenden to Auburn Hills (Michigan) | 3,724.93 mi (5,994.69 km) |
| Harpenden to Auburndale (Florida) | 4,364.92 mi (7,024.66 km) |
| Harpenden to Augusta (Georgia) | 4,115.08 mi (6,622.58 km) |
| Harpenden to Augusta (Maine) | 3,120.75 mi (5,022.37 km) |
| Harpenden to Aurora (Colorado) | 4,657.50 mi (7,495.53 km) |
| Harpenden to Aurora (Illinois) | 3,959.49 mi (6,372.18 km) |
| Harpenden to Aurora (Ohio) | 3,712.30 mi (5,974.37 km) |
| Harpenden to Austin (Minnesota) | 4,042.87 mi (6,506.37 km) |
