| Olgiate Comasco to Coudekerque-Branche | 470.93 mi (757.89 km) |
| Olgiate Comasco to Coueron | 517.51 mi (832.85 km) |
| Olgiate Comasco to Coulommiers | 346.08 mi (556.96 km) |
| Olgiate Comasco to Courbevoic | 380.71 mi (612.70 km) |
| Olgiate Comasco to Courcouronnes | 364.07 mi (585.92 km) |
| Olgiate Comasco to Cournon-d'Auvergne | 278.05 mi (447.48 km) |
| Olgiate Comasco to Courrieres | 425.64 mi (685.01 km) |
| Olgiate Comasco to Coutras | 443.90 mi (714.38 km) |
| Olgiate Comasco to Couzeix | 371.97 mi (598.63 km) |
| Olgiate Comasco to Cran-Gevrier | 138.03 mi (222.15 km) |
| Olgiate Comasco to Craponne | 204.53 mi (329.15 km) |
| Olgiate Comasco to Creil | 385.98 mi (621.18 km) |
| Olgiate Comasco to Crepy-en-Valois | 370.41 mi (596.12 km) |
| Olgiate Comasco to Crest | 205.20 mi (330.24 km) |
| Olgiate Comasco to Creteil | 368.72 mi (593.40 km) |
