| Cities | Distance |
|---|---|
| Watford to Cromer | 113.66 mi (182.92 km) |
| Watford to Crosby | 168.21 mi (270.71 km) |
| Watford to Crowborough | 47.59 mi (76.59 km) |
| Watford to Croxley Green | 2.18 mi (3.52 km) |
| Watford to Croydon | 23.05 mi (37.10 km) |
| Watford to Cudworth | 139.60 mi (224.66 km) |
| Watford to Culcheth | 152.92 mi (246.10 km) |
| Watford to Cullercoats | 237.28 mi (381.86 km) |
| Watford to Cumbernauld | 330.68 mi (532.18 km) |
| Watford to Cumnock | 306.59 mi (493.42 km) |
| Watford to Cupar | 339.30 mi (546.06 km) |
| Watford to Cwmbran | 112.53 mi (181.10 km) |
| Watford to Dagenham | 24.42 mi (39.30 km) |
| Watford to Dalkeith | 312.47 mi (502.87 km) |
| Watford to Darfield | 136.52 mi (219.70 km) |