| Sozopol to Crest Hill (Illinois) | 5,392.57 mi (8,678.50 km) |
| Sozopol to Crestview (Florida) | 5,885.58 mi (9,471.92 km) |
| Sozopol to Crestwood (Illinois) | 5,375.76 mi (8,651.46 km) |
| Sozopol to Crestwood (Missouri) | 5,627.56 mi (9,056.69 km) |
| Sozopol to Creve Coeur (Missouri) | 5,624.40 mi (9,051.60 km) |
| Sozopol to Crofton (Maryland) | 5,086.01 mi (8,185.15 km) |
| Sozopol to Crossville (Tennessee) | 5,561.76 mi (8,950.79 km) |
| Sozopol to Crowley (Louisiana) | 6,140.10 mi (9,881.54 km) |
| Sozopol to Crowley (Texas) | 6,195.23 mi (9,970.27 km) |
| Sozopol to Crown Point (Indiana) | 5,373.50 mi (8,647.81 km) |
| Sozopol to Crystal (Minnesota) | 5,388.45 mi (8,671.88 km) |
| Sozopol to Crystal Lake (Illinois) | 5,366.83 mi (8,637.07 km) |
| Sozopol to Cudahy (California) | 6,734.91 mi (10,838.78 km) |
| Sozopol to Cudahy (Wisconsin) | 5,314.42 mi (8,552.74 km) |
| Sozopol to Cullman (Alabama) | 5,721.29 mi (9,207.52 km) |
