| Cahokia to Crest Hill (Illinois) | 234.75 mi (377.80 km) |
| Cahokia to Crestview (Florida) | 577.45 mi (929.32 km) |
| Cahokia to Crestwood (Illinois) | 248.81 mi (400.42 km) |
| Cahokia to Crestwood (Missouri) | 10.77 mi (17.33 km) |
| Cahokia to Creve Coeur (Missouri) | 15.74 mi (25.32 km) |
| Cahokia to Crofton (Maryland) | 727.00 mi (1,169.99 km) |
| Cahokia to Crossville (Tennessee) | 335.74 mi (540.33 km) |
| Cahokia to Crowley (Louisiana) | 590.13 mi (949.73 km) |
| Cahokia to Crowley (Texas) | 577.45 mi (929.32 km) |
| Cahokia to Crown Point (Indiana) | 247.47 mi (398.26 km) |
| Cahokia to Crystal (Minnesota) | 476.18 mi (766.33 km) |
| Cahokia to Crystal Lake (Illinois) | 271.38 mi (436.74 km) |
| Cahokia to Cudahy (California) | 1,585.67 mi (2,551.89 km) |
| Cahokia to Cudahy (Wisconsin) | 326.06 mi (524.74 km) |
| Cahokia to Cullman (Alabama) | 355.46 mi (572.05 km) |
