| Sozopol to Centralia (Illinois) | 5,584.37 mi (8,987.18 km) |
| Sozopol to Centralia (Washington) | 6,020.97 mi (9,689.81 km) |
| Sozopol to Centreville (Virginia) | 5,124.44 mi (8,246.98 km) |
| Sozopol to Ceres (California) | 6,567.65 mi (10,569.60 km) |
| Sozopol to Cerritos (California) | 6,738.14 mi (10,843.99 km) |
| Sozopol to Chalco (Nebraska) | 5,683.31 mi (9,146.40 km) |
| Sozopol to Chalmette (Louisiana) | 6,061.37 mi (9,754.83 km) |
| Sozopol to Chambersburg (Pennsylvania) | 5,082.37 mi (8,179.28 km) |
| Sozopol to Chamblee (Georgia) | 5,636.51 mi (9,071.08 km) |
| Sozopol to Champaign (Illinois) | 5,472.39 mi (8,806.95 km) |
| Sozopol to Champlin (Minnesota) | 5,382.43 mi (8,662.18 km) |
| Sozopol to Chandler (Arizona) | 6,612.96 mi (10,642.53 km) |
| Sozopol to Chanhassen (Minnesota) | 5,404.50 mi (8,697.70 km) |
| Sozopol to Channahon (Illinois) | 5,405.43 mi (8,699.20 km) |
| Sozopol to Channelview (Texas) | 6,266.19 mi (10,084.46 km) |
