| Ianca to Coudekerque-Branche | 1,220.15 mi (1,963.64 km) |
| Ianca to Coueron | 1,396.06 mi (2,246.75 km) |
| Ianca to Coulommiers | 1,172.24 mi (1,886.54 km) |
| Ianca to Courbevoic | 1,210.24 mi (1,947.70 km) |
| Ianca to Courcouronnes | 1,201.40 mi (1,933.47 km) |
| Ianca to Cournon-d'Auvergne | 1,173.22 mi (1,888.11 km) |
| Ianca to Courrieres | 1,189.98 mi (1,915.09 km) |
| Ianca to Coutras | 1,339.96 mi (2,156.45 km) |
| Ianca to Couzeix | 1,265.74 mi (2,037.01 km) |
| Ianca to Cran-Gevrier | 1,032.86 mi (1,662.22 km) |
| Ianca to Craponne | 1,100.06 mi (1,770.38 km) |
| Ianca to Creil | 1,201.37 mi (1,933.42 km) |
| Ianca to Crepy-en-Valois | 1,183.07 mi (1,903.97 km) |
| Ianca to Crest | 1,095.08 mi (1,762.36 km) |
| Ianca to Creteil | 1,200.36 mi (1,931.80 km) |
