| Sozopol to Cabries | 1,128.02 mi (1,815.37 km) |
| Sozopol to Cachan | 1,295.65 mi (2,085.14 km) |
| Sozopol to Caen | 1,420.89 mi (2,286.69 km) |
| Sozopol to Cagnes-sur-Mer | 1,038.70 mi (1,671.62 km) |
| Sozopol to Cahors | 1,319.28 mi (2,123.18 km) |
| Sozopol to Calais | 1,349.98 mi (2,172.59 km) |
| Sozopol to Caluire-et-Cuire | 1,153.36 mi (1,856.16 km) |
| Sozopol to Cambrai | 1,277.35 mi (2,055.69 km) |
| Sozopol to Canet-en-Roussillon | 1,252.31 mi (2,015.40 km) |
| Sozopol to Cannes | 1,045.85 mi (1,683.14 km) |
| Sozopol to Canteleu | 1,361.58 mi (2,191.24 km) |
| Sozopol to Capbreton | 1,466.27 mi (2,359.73 km) |
| Sozopol to Carcassonne | 1,281.11 mi (2,061.75 km) |
| Sozopol to Carmaux | 1,285.53 mi (2,068.85 km) |
| Sozopol to Carpentras | 1,142.16 mi (1,838.13 km) |
