| Harpenden to Fisciano | 1,047.74 mi (1,686.17 km) |
| Harpenden to Fiuggi | 940.83 mi (1,514.12 km) |
| Harpenden to Fiume Veneto | 718.67 mi (1,156.59 km) |
| Harpenden to Fiumefreddo di Sicilia | 1,227.16 mi (1,974.93 km) |
| Harpenden to Fiumicino | 912.11 mi (1,467.90 km) |
| Harpenden to Flero | 648.78 mi (1,044.10 km) |
| Harpenden to Florence | 772.36 mi (1,242.99 km) |
| Harpenden to Floridia | 1,267.56 mi (2,039.94 km) |
| Harpenden to Foggia | 1,035.28 mi (1,666.13 km) |
| Harpenden to Foiano della Chiana | 818.08 mi (1,316.57 km) |
| Harpenden to Folignano | 900.42 mi (1,449.09 km) |
| Harpenden to Foligno | 862.54 mi (1,388.13 km) |
| Harpenden to Follonica | 803.48 mi (1,293.07 km) |
| Harpenden to Fondi | 971.77 mi (1,563.91 km) |
| Harpenden to Fontanafredda | 711.01 mi (1,144.27 km) |
