| Omurtag to Coueron | 1,392.17 mi (2,240.49 km) |
| Omurtag to Coulommiers | 1,182.66 mi (1,903.31 km) |
| Omurtag to Courbevoic | 1,220.82 mi (1,964.72 km) |
| Omurtag to Courcouronnes | 1,209.72 mi (1,946.85 km) |
| Omurtag to Cournon-d'Auvergne | 1,156.08 mi (1,860.53 km) |
| Omurtag to Courrieres | 1,214.51 mi (1,954.56 km) |
| Omurtag to Coutras | 1,318.64 mi (2,122.15 km) |
| Omurtag to Couzeix | 1,250.44 mi (2,012.40 km) |
| Omurtag to Cran-Gevrier | 1,016.66 mi (1,636.16 km) |
| Omurtag to Craponne | 1,082.52 mi (1,742.15 km) |
| Omurtag to Creil | 1,215.21 mi (1,955.69 km) |
| Omurtag to Crepy-en-Valois | 1,197.02 mi (1,926.42 km) |
| Omurtag to Crest | 1,067.71 mi (1,718.31 km) |
| Omurtag to Creteil | 1,210.15 mi (1,947.55 km) |
| Omurtag to Creutzwald | 1,029.94 mi (1,657.53 km) |
