| Sofia to Centralia (Illinois) | 5,410.06 mi (8,706.65 km) |
| Sofia to Centralia (Washington) | 5,922.87 mi (9,531.94 km) |
| Sofia to Centreville (Virginia) | 4,935.85 mi (7,943.49 km) |
| Sofia to Ceres (California) | 6,452.50 mi (10,384.29 km) |
| Sofia to Cerritos (California) | 6,610.82 mi (10,639.08 km) |
| Sofia to Chalco (Nebraska) | 5,524.21 mi (8,890.35 km) |
| Sofia to Chalmette (Louisiana) | 5,874.92 mi (9,454.77 km) |
| Sofia to Chambersburg (Pennsylvania) | 4,895.85 mi (7,879.11 km) |
| Sofia to Chamblee (Georgia) | 5,448.33 mi (8,768.25 km) |
| Sofia to Champaign (Illinois) | 5,299.60 mi (8,528.88 km) |
| Sofia to Champlin (Minnesota) | 5,226.31 mi (8,410.94 km) |
| Sofia to Chandler (Arizona) | 6,470.53 mi (10,413.31 km) |
| Sofia to Chanhassen (Minnesota) | 5,248.05 mi (8,445.92 km) |
| Sofia to Channahon (Illinois) | 5,234.92 mi (8,424.80 km) |
| Sofia to Channelview (Texas) | 6,087.11 mi (9,796.26 km) |
