| Cities | Distance |
|---|---|
| Watford to Iver | 10.42 mi (16.77 km) |
| Watford to Ivybridge | 176.40 mi (283.88 km) |
| Watford to Jarrow | 234.22 mi (376.94 km) |
| Watford to Johnstone | 333.87 mi (537.31 km) |
| Watford to Kearsley | 153.77 mi (247.47 km) |
| Watford to Keighley | 165.44 mi (266.24 km) |
| Watford to Kempston | 32.01 mi (51.51 km) |
| Watford to Kendal | 208.79 mi (336.02 km) |
| Watford to Kenilworth | 68.74 mi (110.62 km) |
| Watford to Kenley | 26.22 mi (42.20 km) |
| Watford to Kensington | 13.88 mi (22.34 km) |
| Watford to Kenton | 5.96 mi (9.59 km) |
| Watford to Kettering | 52.86 mi (85.07 km) |
| Watford to Kew Green | 11.29 mi (18.17 km) |
| Watford to Keynsham | 91.83 mi (147.78 km) |