| Omurtag to Cogolin | 999.72 mi (1,608.90 km) |
| Omurtag to Colmar | 980.63 mi (1,578.17 km) |
| Omurtag to Colombes | 1,221.17 mi (1,965.28 km) |
| Omurtag to Colomiers | 1,255.66 mi (2,020.80 km) |
| Omurtag to Combs-la-Ville | 1,204.36 mi (1,938.24 km) |
| Omurtag to Comines | 1,217.78 mi (1,959.82 km) |
| Omurtag to Compiegne | 1,202.46 mi (1,935.17 km) |
| Omurtag to Concarneau | 1,495.69 mi (2,407.08 km) |
| Omurtag to Conde-sur-l'Escaut | 1,187.14 mi (1,910.51 km) |
| Omurtag to Conflans-Sainte-Honorine | 1,228.96 mi (1,977.82 km) |
| Omurtag to Corbas | 1,073.73 mi (1,728.01 km) |
| Omurtag to Corbeil-Essonnes | 1,207.24 mi (1,942.86 km) |
| Omurtag to Cormeilles-en-Parisis | 1,224.05 mi (1,969.92 km) |
| Omurtag to Cosne sur Loire | 1,175.79 mi (1,892.25 km) |
| Omurtag to Coudekerque-Branche | 1,248.73 mi (2,009.64 km) |
