| Koyulhisar to Cognac | 1,944.74 mi (3,129.76 km) |
| Koyulhisar to Cogolin | 1,615.98 mi (2,600.67 km) |
| Koyulhisar to Colmar | 1,590.01 mi (2,558.87 km) |
| Koyulhisar to Colombes | 1,828.91 mi (2,943.35 km) |
| Koyulhisar to Colomiers | 1,873.66 mi (3,015.36 km) |
| Koyulhisar to Combs-la-Ville | 1,813.33 mi (2,918.27 km) |
| Koyulhisar to Comines | 1,812.48 mi (2,916.90 km) |
| Koyulhisar to Compiegne | 1,806.95 mi (2,908.01 km) |
| Koyulhisar to Concarneau | 2,109.20 mi (3,394.43 km) |
| Koyulhisar to Conde-sur-l'Escaut | 1,783.61 mi (2,870.45 km) |
| Koyulhisar to Conflans-Sainte-Honorine | 1,836.36 mi (2,955.34 km) |
| Koyulhisar to Corbas | 1,692.34 mi (2,723.56 km) |
| Koyulhisar to Corbeil-Essonnes | 1,816.53 mi (2,923.42 km) |
| Koyulhisar to Cormeilles-en-Parisis | 1,831.54 mi (2,947.58 km) |
| Koyulhisar to Cosne sur Loire | 1,790.27 mi (2,881.16 km) |
