| Sozopol to Caguas (Puerto Rico) | 5,560.96 mi (8,949.51 km) |
| Sozopol to Cahokia (Illinois) | 5,620.05 mi (9,044.60 km) |
| Sozopol to Calabasas (California) | 6,735.49 mi (10,839.72 km) |
| Sozopol to Caldwell (Idaho) | 6,094.11 mi (9,807.53 km) |
| Sozopol to Caledonia (Wisconsin) | 5,322.31 mi (8,565.43 km) |
| Sozopol to Calera (Alabama) | 5,771.09 mi (9,287.66 km) |
| Sozopol to Calexico (California) | 6,747.48 mi (10,859.03 km) |
| Sozopol to Calhoun (Georgia) | 5,631.35 mi (9,062.78 km) |
| Sozopol to California (Maryland) | 5,111.64 mi (8,226.39 km) |
| Sozopol to California City (California) | 6,652.54 mi (10,706.23 km) |
| Sozopol to Callaway (Florida) | 5,875.43 mi (9,455.59 km) |
| Sozopol to Calumet City (Illinois) | 5,370.71 mi (8,643.32 km) |
| Sozopol to Calverton (Maryland) | 5,094.76 mi (8,199.22 km) |
| Sozopol to Camano (Washington) | 5,918.28 mi (9,524.55 km) |
| Sozopol to Camarillo (California) | 6,738.62 mi (10,844.76 km) |
