| Siklos to Coudekerque-Branche | 809.79 mi (1,303.23 km) |
| Siklos to Coueron | 953.65 mi (1,534.74 km) |
| Siklos to Coulommiers | 739.87 mi (1,190.70 km) |
| Siklos to Courbevoic | 778.04 mi (1,252.13 km) |
| Siklos to Courcouronnes | 767.12 mi (1,234.57 km) |
| Siklos to Cournon-d'Auvergne | 726.42 mi (1,169.06 km) |
| Siklos to Courrieres | 773.98 mi (1,245.59 km) |
| Siklos to Coutras | 893.03 mi (1,437.19 km) |
| Siklos to Couzeix | 819.26 mi (1,318.47 km) |
| Siklos to Cran-Gevrier | 586.03 mi (943.13 km) |
| Siklos to Craponne | 653.18 mi (1,051.20 km) |
| Siklos to Creil | 772.42 mi (1,243.09 km) |
| Siklos to Crepy-en-Valois | 754.24 mi (1,213.83 km) |
| Siklos to Crest | 649.23 mi (1,044.83 km) |
| Siklos to Creteil | 767.41 mi (1,235.03 km) |
