| Tortum to Cognac | 2,127.97 mi (3,424.63 km) |
| Tortum to Cogolin | 1,806.82 mi (2,907.80 km) |
| Tortum to Colmar | 1,764.55 mi (2,839.78 km) |
| Tortum to Colombes | 2,001.35 mi (3,220.87 km) |
| Tortum to Colomiers | 2,062.69 mi (3,319.57 km) |
| Tortum to Combs-la-Ville | 1,986.68 mi (3,197.26 km) |
| Tortum to Comines | 1,977.26 mi (3,182.10 km) |
| Tortum to Compiegne | 1,977.36 mi (3,182.26 km) |
| Tortum to Concarneau | 2,285.42 mi (3,678.04 km) |
| Tortum to Conde-sur-l'Escaut | 1,949.51 mi (3,137.43 km) |
| Tortum to Conflans-Sainte-Honorine | 2,008.54 mi (3,232.43 km) |
| Tortum to Corbas | 1,876.08 mi (3,019.27 km) |
| Tortum to Corbeil-Essonnes | 1,990.11 mi (3,202.77 km) |
| Tortum to Cormeilles-en-Parisis | 2,003.80 mi (3,224.80 km) |
| Tortum to Cosne sur Loire | 1,968.19 mi (3,167.50 km) |
