| Watford to Ferentino | 942.12 mi (1,516.20 km) |
| Watford to Fermo | 880.36 mi (1,416.80 km) |
| Watford to Ferrandina | 1,111.19 mi (1,788.29 km) |
| Watford to Ferrara | 724.79 mi (1,166.44 km) |
| Watford to Fiano Romano | 895.19 mi (1,440.67 km) |
| Watford to Ficarazzi | 1,153.42 mi (1,856.25 km) |
| Watford to Fidenza | 670.77 mi (1,079.51 km) |
| Watford to Fiesole | 765.73 mi (1,232.32 km) |
| Watford to Figline Valdarno | 781.40 mi (1,257.54 km) |
| Watford to Filottrano | 854.04 mi (1,374.45 km) |
| Watford to Finale Emilia | 713.27 mi (1,147.90 km) |
| Watford to Finale Ligure | 655.68 mi (1,055.22 km) |
| Watford to Fino Mornasco | 591.85 mi (952.49 km) |
| Watford to Fiorano Modenese | 712.57 mi (1,146.77 km) |
| Watford to Fiorenzuola d'Arda | 661.90 mi (1,065.23 km) |
