| Watford to Cavaillon | 595.81 mi (958.87 km) |
| Watford to Cebazat | 432.62 mi (696.23 km) |
| Watford to Cenon | 469.68 mi (755.88 km) |
| Watford to Cergy | 210.91 mi (339.43 km) |
| Watford to Cernay | 429.79 mi (691.68 km) |
| Watford to Cesson | 251.33 mi (404.47 km) |
| Watford to Cesson-Sevigne | 250.03 mi (402.38 km) |
| Watford to Cestas | 477.66 mi (768.72 km) |
| Watford to Chalette-sur-Loing | 287.76 mi (463.11 km) |
| Watford to Challans | 338.86 mi (545.35 km) |
| Watford to Chalon-sur-Saone | 411.51 mi (662.26 km) |
| Watford to Chalons-en-Champagne | 280.74 mi (451.80 km) |
| Watford to Chamalieres | 435.82 mi (701.39 km) |
| Watford to Chambery | 509.27 mi (819.59 km) |
| Watford to Chambly | 207.60 mi (334.10 km) |
