| Illescas to Coudekerque-Branche | 810.90 mi (1,305.01 km) |
| Illescas to Coueron | 501.65 mi (807.32 km) |
| Illescas to Coulommiers | 690.39 mi (1,111.07 km) |
| Illescas to Courbevoic | 676.25 mi (1,088.32 km) |
| Illescas to Courcouronnes | 663.66 mi (1,068.06 km) |
| Illescas to Cournon-d'Auvergne | 526.44 mi (847.22 km) |
| Illescas to Courrieres | 786.08 mi (1,265.07 km) |
| Illescas to Coutras | 388.83 mi (625.76 km) |
| Illescas to Couzeix | 473.10 mi (761.39 km) |
| Illescas to Cran-Gevrier | 640.99 mi (1,031.57 km) |
| Illescas to Craponne | 581.30 mi (935.51 km) |
| Illescas to Creil | 703.12 mi (1,131.55 km) |
| Illescas to Crepy-en-Valois | 710.59 mi (1,143.58 km) |
| Illescas to Crest | 552.23 mi (888.73 km) |
| Illescas to Creteil | 674.44 mi (1,085.41 km) |
