| Port Huron to Crawfordsville (Indiana) | 307.26 mi (494.49 km) |
| Port Huron to Crest Hill (Illinois) | 305.89 mi (492.28 km) |
| Port Huron to Crestview (Florida) | 875.43 mi (1,408.87 km) |
| Port Huron to Crestwood (Illinois) | 286.09 mi (460.41 km) |
| Port Huron to Crestwood (Missouri) | 515.45 mi (829.54 km) |
| Port Huron to Creve Coeur (Missouri) | 513.67 mi (826.67 km) |
| Port Huron to Crofton (Maryland) | 406.43 mi (654.08 km) |
| Port Huron to Crossville (Tennessee) | 504.89 mi (812.55 km) |
| Port Huron to Crowley (Louisiana) | 1,038.27 mi (1,670.93 km) |
| Port Huron to Crowley (Texas) | 1,083.52 mi (1,743.76 km) |
| Port Huron to Crown Point (Indiana) | 273.47 mi (440.11 km) |
| Port Huron to Crystal (Minnesota) | 560.49 mi (902.02 km) |
| Port Huron to Crystal Lake (Illinois) | 304.21 mi (489.58 km) |
| Port Huron to Cudahy (California) | 2,014.11 mi (3,241.39 km) |
| Port Huron to Cudahy (Wisconsin) | 274.27 mi (441.40 km) |
