| Cities | Distance |
|---|---|
| Watford to Haslemere | 41.35 mi (66.55 km) |
| Watford to Haslingden | 163.12 mi (262.52 km) |
| Watford to Hatch End | 3.84 mi (6.18 km) |
| Watford to Hatfield | 135.40 mi (217.90 km) |
| Watford to Hatfield | 10.45 mi (16.82 km) |
| Watford to Havant | 61.06 mi (98.26 km) |
| Watford to Haverhill | 46.19 mi (74.33 km) |
| Watford to Hawick | 278.14 mi (447.62 km) |
| Watford to Haydock | 157.27 mi (253.11 km) |
| Watford to Hayes | 26.16 mi (42.11 km) |
| Watford to Hayes | 9.89 mi (15.92 km) |
| Watford to Hayle | 241.12 mi (388.05 km) |
| Watford to Haywards Heath | 46.73 mi (75.20 km) |
| Watford to Hazel Grove | 139.00 mi (223.71 km) |
| Watford to Heanor | 102.24 mi (164.54 km) |