| Royan to Chenove | 310.08 mi (499.03 km) |
| Royan to Cherbourg | 278.29 mi (447.86 km) |
| Royan to Chevigny-Saint-Sauveur | 316.00 mi (508.55 km) |
| Royan to Chevilly-Larue | 269.37 mi (433.51 km) |
| Royan to Chilly-Mazarin | 264.74 mi (426.06 km) |
| Royan to Choisy-le-Roi | 270.74 mi (435.72 km) |
| Royan to Cholet | 99.59 mi (160.28 km) |
| Royan to Clamart | 268.82 mi (432.63 km) |
| Royan to Claye-Souilly | 288.44 mi (464.20 km) |
| Royan to Clermont | 305.47 mi (491.61 km) |
| Royan to Clermont-Ferrand | 199.35 mi (320.83 km) |
| Royan to Clermont-l'Herault | 259.65 mi (417.87 km) |
| Royan to Clichy | 275.74 mi (443.76 km) |
| Royan to Clichy-sous-Bois | 282.79 mi (455.11 km) |
| Royan to Cluses | 367.96 mi (592.17 km) |
