| Sofia to Caño Martin Peña (Puerto Rico) | 5,332.40 mi (8,581.67 km) |
| Sofia to Cañon City (Colorado) | 5,969.15 mi (9,606.43 km) |
| Sofia to Canóvanas (Puerto Rico) | 5,327.79 mi (8,574.26 km) |
| Sofia to Canton (Georgia) | 5,438.51 mi (8,752.43 km) |
| Sofia to Canton (Illinois) | 5,342.20 mi (8,597.45 km) |
| Sofia to Canton (Mississippi) | 5,742.86 mi (9,242.24 km) |
| Sofia to Canton (Ohio) | 5,003.64 mi (8,052.58 km) |
| Sofia to Canyon (Texas) | 6,054.40 mi (9,743.61 km) |
| Sofia to Canyon Lake (California) | 6,600.26 mi (10,622.09 km) |
| Sofia to Canyon Lake (Texas) | 6,202.62 mi (9,982.16 km) |
| Sofia to Cape Coral (Florida) | 5,700.28 mi (9,173.71 km) |
| Sofia to Cape Girardeau (Missouri) | 5,487.00 mi (8,830.47 km) |
| Sofia to Carbondale (Illinois) | 5,453.73 mi (8,776.93 km) |
| Sofia to Carlisle (Pennsylvania) | 4,865.61 mi (7,830.44 km) |
| Sofia to Carlsbad (California) | 6,635.25 mi (10,678.40 km) |
