| Illkirch-Graffenstaden to Cognac | 425.84 mi (685.33 km) |
| Illkirch-Graffenstaden to Cogolin | 369.09 mi (593.99 km) |
| Illkirch-Graffenstaden to Colmar | 35.21 mi (56.67 km) |
| Illkirch-Graffenstaden to Colombes | 250.63 mi (403.35 km) |
| Illkirch-Graffenstaden to Colomiers | 456.84 mi (735.21 km) |
| Illkirch-Graffenstaden to Combs-la-Ville | 235.93 mi (379.68 km) |
| Illkirch-Graffenstaden to Comines | 261.08 mi (420.17 km) |
| Illkirch-Graffenstaden to Compiegne | 230.31 mi (370.65 km) |
| Illkirch-Graffenstaden to Concarneau | 537.36 mi (864.79 km) |
| Illkirch-Graffenstaden to Conde-sur-l'Escaut | 227.83 mi (366.66 km) |
| Illkirch-Graffenstaden to Conflans-Sainte-Honorine | 258.01 mi (415.23 km) |
| Illkirch-Graffenstaden to Corbas | 238.01 mi (383.05 km) |
| Illkirch-Graffenstaden to Corbeil-Essonnes | 239.49 mi (385.42 km) |
| Illkirch-Graffenstaden to Cormeilles-en-Parisis | 253.20 mi (407.49 km) |
| Illkirch-Graffenstaden to Cosne sur Loire | 234.87 mi (377.98 km) |
