| Duchcov to Corinth (Mississippi) | 4,877.87 mi (7,850.18 km) |
| Duchcov to Corinth (Texas) | 5,284.73 mi (8,504.95 km) |
| Duchcov to Cornelius (North Carolina) | 4,560.11 mi (7,338.78 km) |
| Duchcov to Cornelius (Oregon) | 5,311.04 mi (8,547.30 km) |
| Duchcov to Corning (New York) | 4,090.66 mi (6,583.28 km) |
| Duchcov to Corona (California) | 5,890.77 mi (9,480.28 km) |
| Duchcov to Coronado (California) | 5,952.12 mi (9,579.01 km) |
| Duchcov to Corpus Christi (Texas) | 5,594.04 mi (9,002.74 km) |
| Duchcov to Corsicana (Texas) | 5,321.40 mi (8,563.96 km) |
| Duchcov to Cortland (New York) | 4,036.42 mi (6,495.99 km) |
| Duchcov to Corvallis (Oregon) | 5,374.70 mi (8,649.75 km) |
| Duchcov to Coshocton (Ohio) | 4,360.76 mi (7,017.96 km) |
| Duchcov to Costa Mesa (California) | 5,912.16 mi (9,514.70 km) |
| Duchcov to Coto de Caza (California) | 5,907.47 mi (9,507.16 km) |
| Duchcov to Cottage Grove (Minnesota) | 4,522.10 mi (7,277.62 km) |
