| Ortahisar to Cognac | 1,851.28 mi (2,979.35 km) |
| Ortahisar to Cogolin | 1,505.48 mi (2,422.83 km) |
| Ortahisar to Colmar | 1,517.94 mi (2,442.88 km) |
| Ortahisar to Colombes | 1,758.64 mi (2,830.26 km) |
| Ortahisar to Colomiers | 1,766.44 mi (2,842.82 km) |
| Ortahisar to Combs-la-Ville | 1,741.43 mi (2,802.57 km) |
| Ortahisar to Comines | 1,756.29 mi (2,826.48 km) |
| Ortahisar to Compiegne | 1,740.71 mi (2,801.39 km) |
| Ortahisar to Concarneau | 2,029.52 mi (3,266.20 km) |
| Ortahisar to Conde-sur-l'Escaut | 1,725.75 mi (2,777.33 km) |
| Ortahisar to Conflans-Sainte-Honorine | 1,766.53 mi (2,842.95 km) |
| Ortahisar to Corbas | 1,599.55 mi (2,574.22 km) |
| Ortahisar to Corbeil-Essonnes | 1,744.17 mi (2,806.97 km) |
| Ortahisar to Cormeilles-en-Parisis | 1,761.60 mi (2,835.01 km) |
| Ortahisar to Cosne sur Loire | 1,709.44 mi (2,751.08 km) |
