| Slough to Crest Hill (Illinois) | 3,962.60 mi (6,377.19 km) |
| Slough to Crestview (Florida) | 4,425.52 mi (7,122.19 km) |
| Slough to Crestwood (Illinois) | 3,944.96 mi (6,348.80 km) |
| Slough to Crestwood (Missouri) | 4,192.83 mi (6,747.71 km) |
| Slough to Creve Coeur (Missouri) | 4,190.24 mi (6,743.54 km) |
| Slough to Crofton (Maryland) | 3,626.40 mi (5,836.13 km) |
| Slough to Crossville (Tennessee) | 4,107.37 mi (6,610.18 km) |
| Slough to Crowley (Louisiana) | 4,687.49 mi (7,543.79 km) |
| Slough to Crowley (Texas) | 4,762.16 mi (7,663.95 km) |
| Slough to Crown Point (Indiana) | 3,940.60 mi (6,341.78 km) |
| Slough to Crystal (Minnesota) | 3,995.13 mi (6,429.54 km) |
| Slough to Crystal Lake (Illinois) | 3,940.35 mi (6,341.38 km) |
| Slough to Cudahy (California) | 5,428.78 mi (8,736.77 km) |
| Slough to Cudahy (Wisconsin) | 3,889.60 mi (6,259.70 km) |
| Slough to Cullman (Alabama) | 4,266.41 mi (6,866.13 km) |
