| Royan to Chateaubriant | 145.53 mi (234.20 km) |
| Royan to Chateaudun | 203.10 mi (326.86 km) |
| Royan to Chateauneuf-les-Martigues | 342.68 mi (551.49 km) |
| Royan to Chateaurenard | 313.29 mi (504.20 km) |
| Royan to Chateauroux | 154.31 mi (248.33 km) |
| Royan to Chatellerault | 112.18 mi (180.54 km) |
| Royan to Chatenay-Malabry | 267.24 mi (430.08 km) |
| Royan to Chatillon | 269.49 mi (433.69 km) |
| Royan to Chatou | 270.99 mi (436.11 km) |
| Royan to Chaumont | 338.74 mi (545.14 km) |
| Royan to Chauny | 339.73 mi (546.74 km) |
| Royan to Chaville | 267.24 mi (430.08 km) |
| Royan to Checy | 213.80 mi (344.08 km) |
| Royan to Chelles | 282.65 mi (454.88 km) |
| Royan to Chennevieres-sur-Marne | 276.19 mi (444.48 km) |
