| Omegna to Coudekerque-Branche | 449.64 mi (723.63 km) |
| Omegna to Coueron | 489.78 mi (788.22 km) |
| Omegna to Coulommiers | 321.27 mi (517.03 km) |
| Omegna to Courbevoic | 355.34 mi (571.86 km) |
| Omegna to Courcouronnes | 338.35 mi (544.52 km) |
| Omegna to Cournon-d'Auvergne | 251.03 mi (404.00 km) |
| Omegna to Courrieres | 404.04 mi (650.24 km) |
| Omegna to Coutras | 417.49 mi (671.88 km) |
| Omegna to Couzeix | 344.70 mi (554.74 km) |
| Omegna to Cran-Gevrier | 110.76 mi (178.26 km) |
| Omegna to Craponne | 177.62 mi (285.85 km) |
| Omegna to Creil | 361.47 mi (581.74 km) |
| Omegna to Crepy-en-Valois | 346.26 mi (557.25 km) |
| Omegna to Crest | 182.65 mi (293.94 km) |
| Omegna to Creteil | 343.32 mi (552.52 km) |
