| Port Huron to Solymar | 4,562.76 mi (7,343.06 km) |
| Port Huron to Sopron | 4,472.31 mi (7,197.48 km) |
| Port Huron to Szarvas | 4,653.38 mi (7,488.89 km) |
| Port Huron to Szazhalombatta | 4,574.65 mi (7,362.19 km) |
| Port Huron to Szeged | 4,665.35 mi (7,508.16 km) |
| Port Huron to Szeghalom | 4,668.72 mi (7,513.57 km) |
| Port Huron to Szekesfehervar | 4,560.55 mi (7,339.50 km) |
| Port Huron to Szekszard | 4,607.50 mi (7,415.06 km) |
| Port Huron to Szentendre | 4,563.00 mi (7,343.44 km) |
| Port Huron to Szentes | 4,652.15 mi (7,486.92 km) |
| Port Huron to Szentgotthard | 4,491.56 mi (7,228.47 km) |
| Port Huron to Szigethalom | 4,577.47 mi (7,366.72 km) |
| Port Huron to Szigetszentmiklos | 4,577.66 mi (7,367.02 km) |
| Port Huron to Szigetvar | 4,586.85 mi (7,381.82 km) |
| Port Huron to Szolnok | 4,627.02 mi (7,446.47 km) |
