| Duchcov to Clermont (Florida) | 4,945.63 mi (7,959.22 km) |
| Duchcov to Cleveland (Mississippi) | 5,023.19 mi (8,084.04 km) |
| Duchcov to Cleveland (Ohio) | 4,295.55 mi (6,913.01 km) |
| Duchcov to Cleveland (Tennessee) | 4,728.52 mi (7,609.82 km) |
| Duchcov to Cleveland Heights (Ohio) | 4,289.53 mi (6,903.34 km) |
| Duchcov to Cliffside Park (New Jersey) | 4,034.23 mi (6,492.46 km) |
| Duchcov to Clifton (Colorado) | 5,321.92 mi (8,564.80 km) |
| Duchcov to Clifton (New Jersey) | 4,038.95 mi (6,500.06 km) |
| Duchcov to Clinton (Iowa) | 4,583.98 mi (7,377.20 km) |
| Duchcov to Clinton (Maryland) | 4,245.18 mi (6,831.96 km) |
| Duchcov to Clinton (Mississippi) | 5,082.31 mi (8,179.19 km) |
| Duchcov to Clinton (Utah) | 5,304.84 mi (8,537.32 km) |
| Duchcov to Clive (Iowa) | 4,717.23 mi (7,591.65 km) |
| Duchcov to Cloquet (Minnesota) | 4,410.65 mi (7,098.25 km) |
| Duchcov to Cloverleaf (Texas) | 5,399.76 mi (8,690.07 km) |
