| Cities | Distance |
|---|---|
| Watford to Heswall | 162.14 mi (260.93 km) |
| Watford to Hetton le Hole | 223.04 mi (358.94 km) |
| Watford to Hexham | 239.66 mi (385.70 km) |
| Watford to Heysham | 195.31 mi (314.33 km) |
| Watford to Heywood | 154.01 mi (247.86 km) |
| Watford to High Blantyre | 323.37 mi (520.41 km) |
| Watford to High Wycombe | 15.22 mi (24.50 km) |
| Watford to Highbury | 14.66 mi (23.60 km) |
| Watford to Highgate | 12.21 mi (19.65 km) |
| Watford to Hilsea | 64.03 mi (103.05 km) |
| Watford to Hinckley | 73.95 mi (119.01 km) |
| Watford to Hindley | 158.66 mi (255.33 km) |
| Watford to Hipperholme | 154.88 mi (249.25 km) |
| Watford to Hitchin | 20.74 mi (33.38 km) |
| Watford to Hockley | 44.42 mi (71.48 km) |