| Sliven to Cogolin | 999.65 mi (1,608.78 km) |
| Sliven to Colmar | 990.36 mi (1,593.83 km) |
| Sliven to Colombes | 1,231.05 mi (1,981.19 km) |
| Sliven to Colomiers | 1,256.94 mi (2,022.85 km) |
| Sliven to Combs-la-Ville | 1,213.91 mi (1,953.60 km) |
| Sliven to Comines | 1,230.58 mi (1,980.43 km) |
| Sliven to Compiegne | 1,213.21 mi (1,952.48 km) |
| Sliven to Concarneau | 1,503.43 mi (2,419.54 km) |
| Sliven to Conde-sur-l'Escaut | 1,199.65 mi (1,930.65 km) |
| Sliven to Conflans-Sainte-Honorine | 1,238.93 mi (1,993.87 km) |
| Sliven to Corbas | 1,078.43 mi (1,735.57 km) |
| Sliven to Corbeil-Essonnes | 1,216.68 mi (1,958.06 km) |
| Sliven to Cormeilles-en-Parisis | 1,234.00 mi (1,985.93 km) |
| Sliven to Cosne sur Loire | 1,183.36 mi (1,904.43 km) |
| Sliven to Coudekerque-Branche | 1,261.73 mi (2,030.57 km) |
