| Duchcov to Castle Rock (Colorado) | 5,195.96 mi (8,362.09 km) |
| Duchcov to Castro Valley (California) | 5,771.52 mi (9,288.37 km) |
| Duchcov to Catalina Foothills (Arizona) | 5,789.46 mi (9,317.24 km) |
| Duchcov to Cataño (Puerto Rico) | 4,802.47 mi (7,728.82 km) |
| Duchcov to Cathedral City (California) | 5,861.83 mi (9,433.71 km) |
| Duchcov to Catonsville (Maryland) | 4,214.28 mi (6,782.23 km) |
| Duchcov to Cave Spring (Virginia) | 4,439.41 mi (7,144.53 km) |
| Duchcov to Cayce (South Carolina) | 4,642.85 mi (7,471.94 km) |
| Duchcov to Cayey (Puerto Rico) | 4,819.91 mi (7,756.89 km) |
| Duchcov to Cedar City (Utah) | 5,537.22 mi (8,911.29 km) |
| Duchcov to Cedar Falls (Iowa) | 4,624.80 mi (7,442.90 km) |
| Duchcov to Cedar Hill (Texas) | 5,311.66 mi (8,548.30 km) |
| Duchcov to Cedar Lake (Indiana) | 4,509.71 mi (7,257.68 km) |
| Duchcov to Cedar Mill (Oregon) | 5,304.59 mi (8,536.91 km) |
| Duchcov to Cedar Park (Texas) | 5,456.20 mi (8,780.91 km) |
