| Harpenden to Forli | 774.65 mi (1,246.68 km) |
| Harpenden to Forlimpopoli | 779.99 mi (1,255.27 km) |
| Harpenden to Formello | 899.69 mi (1,447.92 km) |
| Harpenden to Formia | 982.64 mi (1,581.40 km) |
| Harpenden to Formigine | 718.33 mi (1,156.05 km) |
| Harpenden to Fossano | 624.40 mi (1,004.88 km) |
| Harpenden to Fossombrone | 827.60 mi (1,331.89 km) |
| Harpenden to Francavilla al Mare | 943.58 mi (1,518.55 km) |
| Harpenden to Francavilla Fontana | 1,153.67 mi (1,856.65 km) |
| Harpenden to Francofonte | 1,251.04 mi (2,013.36 km) |
| Harpenden to Frascati | 923.17 mi (1,485.69 km) |
| Harpenden to Frattamaggiore | 1,022.06 mi (1,644.84 km) |
| Harpenden to Frattaminore | 1,020.61 mi (1,642.52 km) |
| Harpenden to Frosinone | 954.14 mi (1,535.55 km) |
| Harpenden to Fucecchio | 760.02 mi (1,223.13 km) |
