| Royan to Coudekerque-Branche | 405.13 mi (651.99 km) |
| Royan to Coueron | 114.69 mi (184.58 km) |
| Royan to Coulommiers | 293.44 mi (472.24 km) |
| Royan to Courbevoic | 273.95 mi (440.89 km) |
| Royan to Courcouronnes | 263.83 mi (424.60 km) |
| Royan to Cournon-d'Auvergne | 204.82 mi (329.63 km) |
| Royan to Courrieres | 381.41 mi (613.83 km) |
| Royan to Coutras | 59.92 mi (96.43 km) |
| Royan to Couzeix | 111.38 mi (179.25 km) |
| Royan to Cran-Gevrier | 344.92 mi (555.10 km) |
| Royan to Craponne | 278.41 mi (448.06 km) |
| Royan to Creil | 300.33 mi (483.33 km) |
| Royan to Crepy-en-Valois | 309.77 mi (498.52 km) |
| Royan to Crest | 301.74 mi (485.60 km) |
| Royan to Creteil | 273.78 mi (440.61 km) |
