| Port Huron to Suhut | 5,416.28 mi (8,716.67 km) |
| Port Huron to Sulakyurt | 5,448.74 mi (8,768.90 km) |
| Port Huron to Sultanbeyli | 5,247.72 mi (8,445.38 km) |
| Port Huron to Sultandagi | 5,441.64 mi (8,757.47 km) |
| Port Huron to Sultanhani | 5,540.77 mi (8,917.00 km) |
| Port Huron to Sultanhisar | 5,358.12 mi (8,623.06 km) |
| Port Huron to Suluova | 5,481.12 mi (8,821.00 km) |
| Port Huron to Sumbas | 5,671.91 mi (9,128.06 km) |
| Port Huron to Sungurlu | 5,471.79 mi (8,805.99 km) |
| Port Huron to Surmene | 5,626.13 mi (9,054.38 km) |
| Port Huron to Suruc | 5,781.08 mi (9,303.75 km) |
| Port Huron to Susehri | 5,599.40 mi (9,011.36 km) |
| Port Huron to Susurluk | 5,258.80 mi (8,463.23 km) |
| Port Huron to Susuz | 5,730.10 mi (9,221.71 km) |
| Port Huron to Sutculer | 5,484.71 mi (8,826.79 km) |
