| Sozopol to Clermont (Florida) | 5,795.88 mi (9,327.56 km) |
| Sozopol to Cleveland (Mississippi) | 5,891.68 mi (9,481.74 km) |
| Sozopol to Cleveland (Ohio) | 5,164.07 mi (8,310.76 km) |
| Sozopol to Cleveland (Tennessee) | 5,594.14 mi (9,002.89 km) |
| Sozopol to Cleveland Heights (Ohio) | 5,158.03 mi (8,301.04 km) |
| Sozopol to Cliffside Park (New Jersey) | 4,896.42 mi (7,880.03 km) |
| Sozopol to Clifton (Colorado) | 6,171.65 mi (9,932.31 km) |
| Sozopol to Clifton (New Jersey) | 4,901.38 mi (7,888.02 km) |
| Sozopol to Clinton (Iowa) | 5,452.49 mi (8,774.93 km) |
| Sozopol to Clinton (Maryland) | 5,107.28 mi (8,219.37 km) |
| Sozopol to Clinton (Mississippi) | 5,949.81 mi (9,575.30 km) |
| Sozopol to Clinton (Utah) | 6,141.93 mi (9,884.49 km) |
| Sozopol to Clive (Iowa) | 5,583.92 mi (8,986.45 km) |
| Sozopol to Cloquet (Minnesota) | 5,272.98 mi (8,486.05 km) |
| Sozopol to Cloverleaf (Texas) | 6,268.52 mi (10,088.21 km) |
