| Port Huron to South Plainfield (New Jersey) | 445.38 mi (716.78 km) |
| Port Huron to South Portland (Maine) | 611.95 mi (984.83 km) |
| Port Huron to South Riding (Virginia) | 380.86 mi (612.93 km) |
| Port Huron to South River (New Jersey) | 450.92 mi (725.69 km) |
| Port Huron to South Salt Lake (Utah) | 1,516.66 mi (2,440.83 km) |
| Port Huron to South San Francisco (California) | 2,117.70 mi (3,408.12 km) |
| Port Huron to South San Jose Hills (California) | 1,998.47 mi (3,216.22 km) |
| Port Huron to South Sioux City (Nebraska) | 709.38 mi (1,141.64 km) |
| Port Huron to South St. Paul (Minnesota) | 543.27 mi (874.31 km) |
| Port Huron to South Valley (New Mexico) | 1,407.12 mi (2,264.54 km) |
| Port Huron to South Venice (Florida) | 1,101.19 mi (1,772.19 km) |
| Port Huron to South Whittier (California) | 2,007.45 mi (3,230.69 km) |
| Port Huron to South Yarmouth (Massachusetts) | 631.13 mi (1,015.71 km) |
| Port Huron to Southaven (Mississippi) | 686.33 mi (1,104.54 km) |
| Port Huron to Southchase (Florida) | 1,010.65 mi (1,626.48 km) |
