| Watford to Vila Nova de Gaia | 824.60 mi (1,327.07 km) |
| Watford to Vila Pouca de Aguiar | 780.55 mi (1,256.17 km) |
| Watford to Vila Real | 795.67 mi (1,280.51 km) |
| Watford to Vila Real de Santo Antonio | 1,056.30 mi (1,699.95 km) |
| Watford to Vila Verde | 788.31 mi (1,268.67 km) |
| Watford to Vinhais | 747.51 mi (1,203.00 km) |
| Watford to Viseu | 839.15 mi (1,350.48 km) |
| Watford to Vizela | 802.27 mi (1,291.13 km) |
| Watford to Vouzela | 839.37 mi (1,350.84 km) |
| Watford to Saint-Benoit | 6,054.47 mi (9,743.72 km) |
| Watford to Saint-Denis | 6,036.49 mi (9,714.80 km) |
| Watford to Adjud | 1,301.57 mi (2,094.68 km) |
| Watford to Agnita | 1,196.81 mi (1,926.08 km) |
| Watford to Aiud | 1,148.28 mi (1,847.97 km) |
| Watford to Alba Iulia | 1,149.49 mi (1,849.93 km) |
