| Cities | Distance |
|---|---|
| Watford to Droylsden | 146.37 mi (235.56 km) |
| Watford to Dudley | 92.96 mi (149.61 km) |
| Watford to Dukinfield | 144.26 mi (232.17 km) |
| Watford to Dumbarton | 341.95 mi (550.32 km) |
| Watford to Dumfries | 270.42 mi (435.20 km) |
| Watford to Dunbar | 312.56 mi (503.02 km) |
| Watford to Dunblane | 344.90 mi (555.07 km) |
| Watford to Dundee | 348.10 mi (560.21 km) |
| Watford to Dunfermline | 329.33 mi (530.01 km) |
| Watford to Dunstable | 16.84 mi (27.09 km) |
| Watford to Durham | 221.07 mi (355.78 km) |
| Watford to Ealing | 10.37 mi (16.69 km) |
| Watford to Earlestown | 156.03 mi (251.11 km) |
| Watford to Earley | 27.72 mi (44.61 km) |
| Watford to East Barnet | 10.01 mi (16.11 km) |