| Watford to Chenove | 386.76 mi (622.43 km) |
| Watford to Cherbourg | 149.31 mi (240.30 km) |
| Watford to Chevigny-Saint-Sauveur | 389.81 mi (627.34 km) |
| Watford to Chevilly-Larue | 233.65 mi (376.02 km) |
| Watford to Chilly-Mazarin | 236.55 mi (380.69 km) |
| Watford to Choisy-le-Roi | 235.14 mi (378.42 km) |
| Watford to Cholet | 318.22 mi (512.13 km) |
| Watford to Clamart | 229.49 mi (369.33 km) |
| Watford to Claye-Souilly | 231.40 mi (372.40 km) |
| Watford to Clermont | 199.85 mi (321.63 km) |
| Watford to Clermont-Ferrand | 435.46 mi (700.80 km) |
| Watford to Clermont-l'Herault | 582.38 mi (937.25 km) |
| Watford to Clichy | 224.36 mi (361.07 km) |
| Watford to Clichy-sous-Bois | 229.99 mi (370.14 km) |
| Watford to Cluses | 499.48 mi (803.83 km) |
