| Royan to Cavaillon | 322.88 mi (519.63 km) |
| Royan to Cebazat | 200.33 mi (322.39 km) |
| Royan to Cenon | 58.44 mi (94.05 km) |
| Royan to Cergy | 277.02 mi (445.81 km) |
| Royan to Cernay | 417.30 mi (671.57 km) |
| Royan to Cesson | 265.87 mi (427.88 km) |
| Royan to Cesson-Sevigne | 174.59 mi (280.98 km) |
| Royan to Cestas | 63.20 mi (101.72 km) |
| Royan to Chalette-sur-Loing | 243.18 mi (391.36 km) |
| Royan to Challans | 93.49 mi (150.45 km) |
| Royan to Chalon-sur-Saone | 292.99 mi (471.52 km) |
| Royan to Chalons-en-Champagne | 342.35 mi (550.97 km) |
| Royan to Chamalieres | 198.59 mi (319.60 km) |
| Royan to Chambery | 336.15 mi (540.98 km) |
| Royan to Chambly | 289.14 mi (465.33 km) |
