| Delaware to Crawfordsville (Indiana) | 202.56 mi (325.99 km) |
| Delaware to Crest Hill (Illinois) | 277.59 mi (446.73 km) |
| Delaware to Crestview (Florida) | 687.64 mi (1,106.65 km) |
| Delaware to Crestwood (Illinois) | 260.89 mi (419.86 km) |
| Delaware to Crestwood (Missouri) | 407.59 mi (655.95 km) |
| Delaware to Creve Coeur (Missouri) | 408.56 mi (657.51 km) |
| Delaware to Crofton (Maryland) | 351.22 mi (565.23 km) |
| Delaware to Crossville (Tennessee) | 317.63 mi (511.18 km) |
| Delaware to Crowley (Louisiana) | 870.23 mi (1,400.50 km) |
| Delaware to Crowley (Texas) | 954.17 mi (1,535.59 km) |
| Delaware to Crown Point (Indiana) | 236.46 mi (380.55 km) |
| Delaware to Crystal (Minnesota) | 616.49 mi (992.15 km) |
| Delaware to Crystal Lake (Illinois) | 304.53 mi (490.10 km) |
| Delaware to Cudahy (California) | 1,969.25 mi (3,169.20 km) |
| Delaware to Cudahy (Wisconsin) | 308.20 mi (496.00 km) |
