| Duchcov to Crest Hill (Illinois) | 4,523.35 mi (7,279.63 km) |
| Duchcov to Crestview (Florida) | 5,023.28 mi (8,084.20 km) |
| Duchcov to Crestwood (Illinois) | 4,506.50 mi (7,252.51 km) |
| Duchcov to Crestwood (Missouri) | 4,758.19 mi (7,657.56 km) |
| Duchcov to Creve Coeur (Missouri) | 4,755.03 mi (7,652.49 km) |
| Duchcov to Crofton (Maryland) | 4,223.76 mi (6,797.48 km) |
| Duchcov to Crossville (Tennessee) | 4,695.29 mi (7,556.33 km) |
| Duchcov to Crowley (Louisiana) | 5,272.64 mi (8,485.49 km) |
| Duchcov to Crowley (Texas) | 5,325.97 mi (8,571.33 km) |
| Duchcov to Crown Point (Indiana) | 4,504.15 mi (7,248.73 km) |
| Duchcov to Crystal (Minnesota) | 4,524.83 mi (7,282.00 km) |
| Duchcov to Crystal Lake (Illinois) | 4,497.84 mi (7,238.58 km) |
| Duchcov to Cudahy (California) | 5,901.48 mi (9,497.51 km) |
| Duchcov to Cudahy (Wisconsin) | 4,445.56 mi (7,154.44 km) |
| Duchcov to Cullman (Alabama) | 4,854.96 mi (7,813.30 km) |
