| Cities | Distance |
|---|---|
| Harpenden to Fenton | 111.53 mi (179.49 km) |
| Harpenden to Fern Down | 96.50 mi (155.30 km) |
| Harpenden to Ferryhill | 204.54 mi (329.18 km) |
| Harpenden to Finchley | 16.68 mi (26.84 km) |
| Harpenden to Fleet | 42.55 mi (68.48 km) |
| Harpenden to Fleetwood | 182.86 mi (294.28 km) |
| Harpenden to Flint | 153.14 mi (246.45 km) |
| Harpenden to Flitwick | 14.26 mi (22.96 km) |
| Harpenden to Flixton | 141.35 mi (227.49 km) |
| Harpenden to Folkestone | 82.85 mi (133.33 km) |
| Harpenden to Forfar | 348.80 mi (561.35 km) |
| Harpenden to Formby | 165.49 mi (266.32 km) |
| Harpenden to Forres | 420.68 mi (677.02 km) |
| Harpenden to Fort William | 394.93 mi (635.58 km) |
| Harpenden to Fraserburgh | 411.24 mi (661.82 km) |