| Port Huron to Candler-McAfee (Georgia) | 647.11 mi (1,041.42 km) |
| Port Huron to Caño Martin Peña (Puerto Rico) | 1,947.68 mi (3,134.49 km) |
| Port Huron to Cañon City (Colorado) | 1,229.41 mi (1,978.55 km) |
| Port Huron to Canóvanas (Puerto Rico) | 1,955.81 mi (3,147.57 km) |
| Port Huron to Canton (Georgia) | 613.57 mi (987.45 km) |
| Port Huron to Canton (Illinois) | 425.69 mi (685.08 km) |
| Port Huron to Canton (Mississippi) | 827.82 mi (1,332.24 km) |
| Port Huron to Canton (Ohio) | 160.01 mi (257.51 km) |
| Port Huron to Canyon (Texas) | 1,178.94 mi (1,897.33 km) |
| Port Huron to Canyon Lake (California) | 1,977.05 mi (3,181.76 km) |
| Port Huron to Canyon Lake (Texas) | 1,258.18 mi (2,024.85 km) |
| Port Huron to Cape Coral (Florida) | 1,129.11 mi (1,817.12 km) |
| Port Huron to Cape Girardeau (Missouri) | 542.72 mi (873.42 km) |
| Port Huron to Carbondale (Illinois) | 509.28 mi (819.61 km) |
| Port Huron to Carlisle (Pennsylvania) | 331.77 mi (533.93 km) |
