| Harpenden to Firestone (Colorado) | 4,641.70 mi (7,470.09 km) |
| Harpenden to Fish Hawk (Florida) | 4,394.61 mi (7,072.44 km) |
| Harpenden to Fishers (Indiana) | 3,955.15 mi (6,365.20 km) |
| Harpenden to Fitchburg (Massachusetts) | 3,276.25 mi (5,272.61 km) |
| Harpenden to Fitchburg (Wisconsin) | 3,944.84 mi (6,348.61 km) |
| Harpenden to Five Corners (Washington) | 4,877.79 mi (7,850.05 km) |
| Harpenden to Five Forks (South Carolina) | 4,051.59 mi (6,520.40 km) |
| Harpenden to Flagstaff (Arizona) | 5,137.29 mi (8,267.67 km) |
| Harpenden to Flat Rock (Michigan) | 3,751.88 mi (6,038.08 km) |
| Harpenden to Fleming Island (Florida) | 4,261.03 mi (6,857.46 km) |
| Harpenden to Flint (Michigan) | 3,726.39 mi (5,997.05 km) |
| Harpenden to Floral Park (New York) | 3,432.60 mi (5,524.24 km) |
| Harpenden to Florence (Alabama) | 4,269.14 mi (6,870.51 km) |
| Harpenden to Florence (Arizona) | 5,248.55 mi (8,446.73 km) |
| Harpenden to Florence (Kentucky) | 3,949.20 mi (6,355.62 km) |
