| Watford to Zilina | 856.06 mi (1,377.69 km) |
| Watford to Zlate Moravce | 861.79 mi (1,386.92 km) |
| Watford to Zvolen | 887.53 mi (1,428.35 km) |
| Watford to Ajdovscina | 761.73 mi (1,225.89 km) |
| Watford to Ankaran | 768.05 mi (1,236.06 km) |
| Watford to Apace | 809.99 mi (1,303.56 km) |
| Watford to Beltinci | 826.30 mi (1,329.80 km) |
| Watford to Benedikt | 812.13 mi (1,307.00 km) |
| Watford to Bistrica ob Sotli | 823.67 mi (1,325.57 km) |
| Watford to Bled | 750.29 mi (1,207.48 km) |
| Watford to Bohinjska Bistrica | 747.68 mi (1,203.27 km) |
| Watford to Borovnica | 777.69 mi (1,251.57 km) |
| Watford to Bovec | 729.53 mi (1,174.07 km) |
| Watford to Braslovce | 789.97 mi (1,271.34 km) |
| Watford to Brezice | 826.79 mi (1,330.59 km) |
