| Duchcov to Carlsbad (New Mexico) | 5,571.70 mi (8,966.79 km) |
| Duchcov to Carmel (Indiana) | 4,533.84 mi (7,296.52 km) |
| Duchcov to Carmichael (California) | 5,696.58 mi (9,167.77 km) |
| Duchcov to Carney (Maryland) | 4,199.12 mi (6,757.82 km) |
| Duchcov to Carnot-Moon (Pennsylvania) | 4,287.18 mi (6,899.54 km) |
| Duchcov to Carol Stream (Illinois) | 4,506.55 mi (7,252.60 km) |
| Duchcov to Carolina (Puerto Rico) | 4,796.91 mi (7,719.88 km) |
| Duchcov to Carolina Forest (South Carolina) | 4,567.59 mi (7,350.83 km) |
| Duchcov to Carpentersville (Illinois) | 4,501.82 mi (7,244.98 km) |
| Duchcov to Carpinteria (California) | 5,910.64 mi (9,512.26 km) |
| Duchcov to Carrboro (North Carolina) | 4,467.50 mi (7,189.75 km) |
| Duchcov to Carroll (Iowa) | 4,728.94 mi (7,610.50 km) |
| Duchcov to Carrollton (Georgia) | 4,818.58 mi (7,754.76 km) |
| Duchcov to Carrollton (Texas) | 5,287.23 mi (8,508.98 km) |
| Duchcov to Carrollwood (Florida) | 5,002.23 mi (8,050.31 km) |
