| Sozopol to Caño Martin Peña (Puerto Rico) | 5,552.41 mi (8,935.74 km) |
| Sozopol to Cañon City (Colorado) | 6,116.99 mi (9,844.35 km) |
| Sozopol to Canóvanas (Puerto Rico) | 5,547.90 mi (8,928.47 km) |
| Sozopol to Canton (Georgia) | 5,625.90 mi (9,054.01 km) |
| Sozopol to Canton (Illinois) | 5,511.69 mi (8,870.21 km) |
| Sozopol to Canton (Mississippi) | 5,925.32 mi (9,535.88 km) |
| Sozopol to Canton (Ohio) | 5,184.27 mi (8,343.27 km) |
| Sozopol to Canyon (Texas) | 6,213.94 mi (10,000.37 km) |
| Sozopol to Canyon Lake (California) | 6,729.77 mi (10,830.51 km) |
| Sozopol to Canyon Lake (Texas) | 6,376.48 mi (10,261.96 km) |
| Sozopol to Cape Coral (Florida) | 5,900.97 mi (9,496.69 km) |
| Sozopol to Cape Girardeau (Missouri) | 5,662.71 mi (9,113.25 km) |
| Sozopol to Carbondale (Illinois) | 5,629.24 mi (9,059.39 km) |
| Sozopol to Carlisle (Pennsylvania) | 5,052.18 mi (8,130.70 km) |
| Sozopol to Carlsbad (California) | 6,765.51 mi (10,888.04 km) |
