| Port Huron to Sugar Hill (Georgia) | 619.30 mi (996.67 km) |
| Port Huron to Sugar Land (Texas) | 1,178.41 mi (1,896.46 km) |
| Port Huron to Sugarland Run (Virginia) | 379.60 mi (610.91 km) |
| Port Huron to Sugarmill Woods (Florida) | 984.74 mi (1,584.78 km) |
| Port Huron to Suisun City (California) | 2,081.46 mi (3,349.79 km) |
| Port Huron to Suitland (Maryland) | 405.40 mi (652.43 km) |
| Port Huron to Sulphur (Louisiana) | 1,067.13 mi (1,717.37 km) |
| Port Huron to Sulphur Springs (Texas) | 985.57 mi (1,586.12 km) |
| Port Huron to Summerfield (Maryland) | 404.70 mi (651.29 km) |
| Port Huron to Summerfield (North Carolina) | 487.82 mi (785.07 km) |
| Port Huron to Summerlin South (Nevada) | 1,802.59 mi (2,900.99 km) |
| Port Huron to Summerville (South Carolina) | 700.39 mi (1,127.17 km) |
| Port Huron to Summit (Illinois) | 286.43 mi (460.97 km) |
| Port Huron to Summit (New Jersey) | 443.86 mi (714.33 km) |
| Port Huron to Sumner (Washington) | 1,941.24 mi (3,124.13 km) |
