| McDonough to Crawfordsville (Indiana) | 480.84 mi (773.84 km) |
| McDonough to Crest Hill (Illinois) | 602.22 mi (969.18 km) |
| McDonough to Crestview (Florida) | 234.06 mi (376.69 km) |
| McDonough to Crestwood (Illinois) | 599.93 mi (965.50 km) |
| McDonough to Crestwood (Missouri) | 495.93 mi (798.13 km) |
| McDonough to Creve Coeur (Missouri) | 503.48 mi (810.27 km) |
| McDonough to Crofton (Maryland) | 566.82 mi (912.21 km) |
| McDonough to Crossville (Tennessee) | 180.66 mi (290.74 km) |
| McDonough to Crowley (Louisiana) | 531.45 mi (855.28 km) |
| McDonough to Crowley (Texas) | 767.07 mi (1,234.48 km) |
| McDonough to Crown Point (Indiana) | 578.09 mi (930.35 km) |
| McDonough to Crystal (Minnesota) | 939.32 mi (1,511.70 km) |
| McDonough to Crystal Lake (Illinois) | 648.84 mi (1,044.21 km) |
| McDonough to Cudahy (California) | 1,947.50 mi (3,134.19 km) |
| McDonough to Cudahy (Wisconsin) | 686.93 mi (1,105.51 km) |
