| Watford to Forli | 769.32 mi (1,238.10 km) |
| Watford to Forlimpopoli | 774.67 mi (1,246.71 km) |
| Watford to Formello | 893.38 mi (1,437.76 km) |
| Watford to Formia | 976.48 mi (1,571.50 km) |
| Watford to Formigine | 712.70 mi (1,146.98 km) |
| Watford to Fossano | 617.00 mi (992.97 km) |
| Watford to Fossombrone | 822.30 mi (1,323.36 km) |
| Watford to Francavilla al Mare | 938.23 mi (1,509.94 km) |
| Watford to Francavilla Fontana | 1,148.71 mi (1,848.67 km) |
| Watford to Francofonte | 1,244.02 mi (2,002.06 km) |
| Watford to Frascati | 916.86 mi (1,475.55 km) |
| Watford to Frattamaggiore | 1,016.03 mi (1,635.15 km) |
| Watford to Frattaminore | 1,014.59 mi (1,632.82 km) |
| Watford to Frosinone | 948.04 mi (1,525.72 km) |
| Watford to Fucecchio | 753.79 mi (1,213.11 km) |
