| Watford to Vrnjacka Banja | 1,129.89 mi (1,818.38 km) |
| Watford to Vrsac | 1,087.95 mi (1,750.89 km) |
| Watford to Zabalj | 1,027.88 mi (1,654.21 km) |
| Watford to Zabari | 1,113.27 mi (1,791.63 km) |
| Watford to Zagubica | 1,142.93 mi (1,839.37 km) |
| Watford to Zajecar | 1,174.68 mi (1,890.46 km) |
| Watford to Zemun | 1,060.97 mi (1,707.46 km) |
| Watford to Zitiste | 1,043.48 mi (1,679.32 km) |
| Watford to Zitorada | 1,181.19 mi (1,900.95 km) |
| Watford to Zrenjanin | 1,040.52 mi (1,674.55 km) |
| Watford to Banovce nad Bebravou | 847.25 mi (1,363.51 km) |
| Watford to Banska Bystrica | 884.66 mi (1,423.72 km) |
| Watford to Banska Stiavnica | 880.97 mi (1,417.78 km) |
| Watford to Bardejov | 963.13 mi (1,550.01 km) |
| Watford to Bernolakovo | 820.17 mi (1,319.94 km) |
