| Cities | Distance |
|---|---|
| Watford to Arcos de Valdevez | 775.75 mi (1,248.46 km) |
| Watford to Arcozelo | 829.97 mi (1,335.71 km) |
| Watford to Arganil | 870.56 mi (1,401.02 km) |
| Watford to Arouca | 829.02 mi (1,334.18 km) |
| Watford to Arruda dos Vinhos | 970.00 mi (1,561.06 km) |
| Watford to Aveiro | 856.66 mi (1,378.66 km) |
| Watford to Aver-o-Mar | 811.23 mi (1,305.56 km) |
| Watford to Aves | 798.42 mi (1,284.93 km) |
| Watford to Azambuja | 960.56 mi (1,545.88 km) |
| Watford to Baiao | 809.83 mi (1,303.30 km) |
| Watford to Barcelos | 800.75 mi (1,288.69 km) |
| Watford to Barreiro | 990.22 mi (1,593.60 km) |
| Watford to Batalha | 922.02 mi (1,483.84 km) |
| Watford to Beja | 1,008.83 mi (1,623.55 km) |
| Watford to Belas | 987.51 mi (1,589.24 km) |