| Sozopol to Cogolin | 1,071.31 mi (1,724.11 km) |
| Sozopol to Colmar | 1,060.24 mi (1,706.29 km) |
| Sozopol to Colombes | 1,300.86 mi (2,093.53 km) |
| Sozopol to Colomiers | 1,328.82 mi (2,138.52 km) |
| Sozopol to Combs-la-Ville | 1,283.92 mi (2,066.27 km) |
| Sozopol to Comines | 1,298.15 mi (2,089.18 km) |
| Sozopol to Compiegne | 1,282.44 mi (2,063.89 km) |
| Sozopol to Concarneau | 1,574.37 mi (2,533.70 km) |
| Sozopol to Conde-sur-l'Escaut | 1,267.48 mi (2,039.82 km) |
| Sozopol to Conflans-Sainte-Honorine | 1,308.68 mi (2,106.12 km) |
| Sozopol to Corbas | 1,150.23 mi (1,851.11 km) |
| Sozopol to Corbeil-Essonnes | 1,286.75 mi (2,070.82 km) |
| Sozopol to Cormeilles-en-Parisis | 1,303.77 mi (2,098.21 km) |
| Sozopol to Cosne sur Loire | 1,254.35 mi (2,018.68 km) |
| Sozopol to Coudekerque-Branche | 1,329.12 mi (2,139.01 km) |
