| Port Huron to Cloverleaf (Texas) | 1,151.58 mi (1,853.28 km) |
| Port Huron to Cloverly (Maryland) | 389.77 mi (627.28 km) |
| Port Huron to Clovis (California) | 2,002.10 mi (3,222.07 km) |
| Port Huron to Clovis (New Mexico) | 1,260.29 mi (2,028.25 km) |
| Port Huron to Clute (Texas) | 1,202.92 mi (1,935.91 km) |
| Port Huron to Coachella (California) | 1,920.92 mi (3,091.43 km) |
| Port Huron to Coalinga (California) | 2,054.16 mi (3,305.86 km) |
| Port Huron to Coamo (Puerto Rico) | 1,960.90 mi (3,155.77 km) |
| Port Huron to Coatesville (Pennsylvania) | 400.14 mi (643.96 km) |
| Port Huron to Cockeysville (Maryland) | 386.70 mi (622.33 km) |
| Port Huron to Cocoa (Florida) | 1,013.06 mi (1,630.36 km) |
| Port Huron to Cocoa Beach (Florida) | 1,017.20 mi (1,637.03 km) |
| Port Huron to Coconut Creek (Florida) | 1,160.96 mi (1,868.38 km) |
| Port Huron to Coeur d'Alene (Idaho) | 1,685.47 mi (2,712.50 km) |
| Port Huron to Cohoes (New York) | 442.11 mi (711.51 km) |
