| Harpenden to Ferentino | 948.25 mi (1,526.06 km) |
| Harpenden to Fermo | 885.57 mi (1,425.18 km) |
| Harpenden to Ferrandina | 1,116.57 mi (1,796.94 km) |
| Harpenden to Ferrara | 729.94 mi (1,174.72 km) |
| Harpenden to Fiano Romano | 901.38 mi (1,450.62 km) |
| Harpenden to Ficarazzi | 1,160.71 mi (1,867.98 km) |
| Harpenden to Fidenza | 676.69 mi (1,089.02 km) |
| Harpenden to Fiesole | 771.67 mi (1,241.88 km) |
| Harpenden to Figline Valdarno | 787.36 mi (1,267.14 km) |
| Harpenden to Filottrano | 859.26 mi (1,382.84 km) |
| Harpenden to Finale Emilia | 718.58 mi (1,156.45 km) |
| Harpenden to Finale Ligure | 662.94 mi (1,066.90 km) |
| Harpenden to Fino Mornasco | 597.71 mi (961.92 km) |
| Harpenden to Fiorano Modenese | 718.31 mi (1,156.01 km) |
| Harpenden to Fiorenzuola d'Arda | 667.86 mi (1,074.82 km) |
