| Watford to Erba | 594.58 mi (956.88 km) |
| Watford to Erchie | 1,159.12 mi (1,865.42 km) |
| Watford to Ercolano | 1,025.43 mi (1,650.27 km) |
| Watford to Erice | 1,131.96 mi (1,821.71 km) |
| Watford to Este | 707.35 mi (1,138.37 km) |
| Watford to Fabriano | 844.26 mi (1,358.71 km) |
| Watford to Faenza | 761.01 mi (1,224.72 km) |
| Watford to Fagnano Olona | 590.64 mi (950.55 km) |
| Watford to Fano | 822.57 mi (1,323.79 km) |
| Watford to Fara in Sabina | 896.76 mi (1,443.19 km) |
| Watford to Farra di Soligo | 693.99 mi (1,116.88 km) |
| Watford to Fasano | 1,125.73 mi (1,811.69 km) |
| Watford to Favara | 1,204.34 mi (1,938.20 km) |
| Watford to Felino | 685.42 mi (1,103.08 km) |
| Watford to Feltre | 680.39 mi (1,094.98 km) |
