| Sozopol to Carlsbad (New Mexico) | 6,436.86 mi (10,359.12 km) |
| Sozopol to Carmel (Indiana) | 5,403.07 mi (8,695.40 km) |
| Sozopol to Carmichael (California) | 6,509.08 mi (10,475.35 km) |
| Sozopol to Carney (Maryland) | 5,061.80 mi (8,146.18 km) |
| Sozopol to Carnot-Moon (Pennsylvania) | 5,154.30 mi (8,295.04 km) |
| Sozopol to Carol Stream (Illinois) | 5,375.68 mi (8,651.33 km) |
| Sozopol to Carolina (Puerto Rico) | 5,550.08 mi (8,931.98 km) |
| Sozopol to Carolina Forest (South Carolina) | 5,423.61 mi (8,728.46 km) |
| Sozopol to Carpentersville (Illinois) | 5,370.85 mi (8,643.56 km) |
| Sozopol to Carpinteria (California) | 6,738.80 mi (10,845.04 km) |
| Sozopol to Carrboro (North Carolina) | 5,327.72 mi (8,574.13 km) |
| Sozopol to Carroll (Iowa) | 5,594.39 mi (9,003.31 km) |
| Sozopol to Carrollton (Georgia) | 5,682.66 mi (9,145.36 km) |
| Sozopol to Carrollton (Texas) | 6,156.51 mi (9,907.94 km) |
| Sozopol to Carrollwood (Florida) | 5,853.09 mi (9,419.63 km) |
