| Sofia to Crest Hill (Illinois) | 5,222.13 mi (8,404.21 km) |
| Sofia to Crestview (Florida) | 5,695.74 mi (9,166.42 km) |
| Sofia to Crestwood (Illinois) | 5,204.94 mi (8,376.54 km) |
| Sofia to Crestwood (Missouri) | 5,455.11 mi (8,779.15 km) |
| Sofia to Creve Coeur (Missouri) | 5,452.22 mi (8,774.50 km) |
| Sofia to Crofton (Maryland) | 4,896.87 mi (7,880.76 km) |
| Sofia to Crossville (Tennessee) | 5,377.69 mi (8,654.56 km) |
| Sofia to Crowley (Louisiana) | 5,957.49 mi (9,587.66 km) |
| Sofia to Crowley (Texas) | 6,023.98 mi (9,694.66 km) |
| Sofia to Crown Point (Indiana) | 5,201.72 mi (8,371.36 km) |
| Sofia to Crystal (Minnesota) | 5,232.04 mi (8,420.16 km) |
| Sofia to Crystal Lake (Illinois) | 5,197.89 mi (8,365.20 km) |
| Sofia to Cudahy (California) | 6,607.99 mi (10,634.53 km) |
| Sofia to Cudahy (Wisconsin) | 5,146.14 mi (8,281.91 km) |
| Sofia to Cullman (Alabama) | 5,536.85 mi (8,910.69 km) |
