| Watford to Torres Vedras | 967.83 mi (1,557.57 km) |
| Watford to Trancoso | 820.54 mi (1,320.53 km) |
| Watford to Trofa | 810.60 mi (1,304.54 km) |
| Watford to Vagos | 862.62 mi (1,388.26 km) |
| Watford to Valadares | 827.58 mi (1,331.86 km) |
| Watford to Valbom | 823.49 mi (1,325.28 km) |
| Watford to Vale de Cambra | 837.62 mi (1,348.02 km) |
| Watford to Valenca | 770.30 mi (1,239.68 km) |
| Watford to Valongo | 818.89 mi (1,317.87 km) |
| Watford to Vendas Novas | 976.94 mi (1,572.24 km) |
| Watford to Viana do Castelo | 794.46 mi (1,278.57 km) |
| Watford to Vieira do Minho | 782.66 mi (1,259.58 km) |
| Watford to Vila do Conde | 813.84 mi (1,309.74 km) |
| Watford to Vila Franca do Campo | 1,548.80 mi (2,492.55 km) |
| Watford to Vila Nova de Cerveira | 774.55 mi (1,246.51 km) |
