| Port Huron to Cold Springs (Nevada) | 1,944.32 mi (3,129.08 km) |
| Port Huron to Coldwater (Michigan) | 148.81 mi (239.48 km) |
| Port Huron to Colesville (Maryland) | 391.36 mi (629.83 km) |
| Port Huron to College (Alaska) | 2,881.11 mi (4,636.70 km) |
| Port Huron to College Park (Georgia) | 654.94 mi (1,054.03 km) |
| Port Huron to College Park (Maryland) | 397.68 mi (640.01 km) |
| Port Huron to College Station (Texas) | 1,146.50 mi (1,845.12 km) |
| Port Huron to Collegedale (Tennessee) | 565.42 mi (909.96 km) |
| Port Huron to Colleyville (Texas) | 1,059.53 mi (1,705.14 km) |
| Port Huron to Collierville (Tennessee) | 672.08 mi (1,081.61 km) |
| Port Huron to Collinsville (Illinois) | 494.64 mi (796.04 km) |
| Port Huron to Colonia (New Jersey) | 449.67 mi (723.68 km) |
| Port Huron to Colonial Heights (Virginia) | 476.22 mi (766.41 km) |
| Port Huron to Colonial Park (Pennsylvania) | 344.76 mi (554.84 km) |
| Port Huron to Colorado Springs (Colorado) | 1,195.59 mi (1,924.12 km) |
