| Sozopol to Corinth (Mississippi) | 5,745.89 mi (9,247.12 km) |
| Sozopol to Corinth (Texas) | 6,153.95 mi (9,903.82 km) |
| Sozopol to Cornelius (North Carolina) | 5,421.89 mi (8,725.69 km) |
| Sozopol to Cornelius (Oregon) | 6,099.91 mi (9,816.85 km) |
| Sozopol to Corning (New York) | 4,957.26 mi (7,977.94 km) |
| Sozopol to Corona (California) | 6,726.35 mi (10,825.01 km) |
| Sozopol to Coronado (California) | 6,791.15 mi (10,929.31 km) |
| Sozopol to Corpus Christi (Texas) | 6,462.96 mi (10,401.13 km) |
| Sozopol to Corsicana (Texas) | 6,190.79 mi (9,963.12 km) |
| Sozopol to Cortland (New York) | 4,902.89 mi (7,890.44 km) |
| Sozopol to Corvallis (Oregon) | 6,165.08 mi (9,921.73 km) |
| Sozopol to Coshocton (Ohio) | 5,228.61 mi (8,414.63 km) |
| Sozopol to Costa Mesa (California) | 6,747.01 mi (10,858.27 km) |
| Sozopol to Coto de Caza (California) | 6,743.49 mi (10,852.60 km) |
| Sozopol to Cottage Grove (Minnesota) | 5,386.40 mi (8,668.58 km) |
