| Sofia to Commerce City (Colorado) | 5,877.34 mi (9,458.66 km) |
| Sofia to Compton (California) | 6,613.46 mi (10,643.34 km) |
| Sofia to Comstock Park (Michigan) | 5,062.10 mi (8,146.66 km) |
| Sofia to Concord (California) | 6,452.99 mi (10,385.09 km) |
| Sofia to Concord (Missouri) | 5,456.61 mi (8,781.56 km) |
| Sofia to Concord (New Hampshire) | 4,507.48 mi (7,254.09 km) |
| Sofia to Concord (North Carolina) | 5,225.53 mi (8,409.68 km) |
| Sofia to Conneaut (Ohio) | 4,921.37 mi (7,920.19 km) |
| Sofia to Connersville (Indiana) | 5,203.57 mi (8,374.34 km) |
| Sofia to Conroe (Texas) | 6,073.22 mi (9,773.90 km) |
| Sofia to Converse (Texas) | 6,224.18 mi (10,016.85 km) |
| Sofia to Conway (Arkansas) | 5,710.51 mi (9,190.18 km) |
| Sofia to Conway (Florida) | 5,581.94 mi (8,983.27 km) |
| Sofia to Conway (South Carolina) | 5,230.96 mi (8,418.41 km) |
| Sofia to Conyers (Georgia) | 5,446.47 mi (8,765.25 km) |
