| Watford to Creutzwald | 354.85 mi (571.07 km) |
| Watford to Croissy-sur-Seine | 222.19 mi (357.58 km) |
| Watford to Croix | 167.80 mi (270.05 km) |
| Watford to Crosne | 239.22 mi (384.98 km) |
| Watford to Cuers | 654.79 mi (1,053.78 km) |
| Watford to Cugnaux | 566.62 mi (911.89 km) |
| Watford to Cusset | 419.51 mi (675.14 km) |
| Watford to Dammarie-le-Lys | 255.10 mi (410.54 km) |
| Watford to Dammartin-en-Goele | 225.11 mi (362.27 km) |
| Watford to Dardilly | 467.06 mi (751.66 km) |
| Watford to Darnetal | 167.12 mi (268.96 km) |
| Watford to Dax | 549.78 mi (884.79 km) |
| Watford to Decines-Charpieu | 474.02 mi (762.86 km) |
| Watford to Denain | 188.58 mi (303.49 km) |
| Watford to Deuil-la-Barre | 220.59 mi (355.01 km) |
