| Port Huron to Spout Springs (North Carolina) | 562.96 mi (906.00 km) |
| Port Huron to Spring (Texas) | 1,143.23 mi (1,839.85 km) |
| Port Huron to Spring Creek (Nevada) | 1,702.14 mi (2,739.33 km) |
| Port Huron to Spring Hill (Florida) | 1,002.02 mi (1,612.60 km) |
| Port Huron to Spring Hill (Tennessee) | 554.05 mi (891.66 km) |
| Port Huron to Spring Lake (North Carolina) | 569.39 mi (916.35 km) |
| Port Huron to Spring Valley (California) | 1,995.88 mi (3,212.06 km) |
| Port Huron to Spring Valley (Nevada) | 1,799.99 mi (2,896.80 km) |
| Port Huron to Spring Valley (New York) | 449.16 mi (722.85 km) |
| Port Huron to Springboro (Ohio) | 254.06 mi (408.87 km) |
| Port Huron to Springdale (Arkansas) | 779.52 mi (1,254.51 km) |
| Port Huron to Springdale (New Jersey) | 442.07 mi (711.44 km) |
| Port Huron to Springdale (Ohio) | 276.17 mi (444.45 km) |
| Port Huron to Springfield (Illinois) | 434.70 mi (699.58 km) |
| Port Huron to Springfield (Massachusetts) | 507.13 mi (816.15 km) |
