| Cities | Distance |
|---|---|
| Watford to Hamilton | 321.30 mi (517.09 km) |
| Watford to Hammersmith | 13.44 mi (21.63 km) |
| Watford to Hampton | 16.15 mi (25.98 km) |
| Watford to Hamworthy | 95.18 mi (153.18 km) |
| Watford to Handsworth | 125.79 mi (202.44 km) |
| Watford to Hanwell | 10.39 mi (16.72 km) |
| Watford to Harborne | 86.33 mi (138.94 km) |
| Watford to Harlow | 24.00 mi (38.62 km) |
| Watford to Harpenden | 11.38 mi (18.31 km) |
| Watford to Harrogate | 168.35 mi (270.94 km) |
| Watford to Harrow | 5.37 mi (8.64 km) |
| Watford to Harrow on the Hill | 6.75 mi (10.86 km) |
| Watford to Harrow Weald | 4.28 mi (6.89 km) |
| Watford to Hartlepool | 212.39 mi (341.81 km) |
| Watford to Harwich | 73.58 mi (118.41 km) |