| Port Huron to Roznava | 4,574.57 mi (7,362.07 km) |
| Port Huron to Ruzomberok | 4,512.99 mi (7,262.96 km) |
| Port Huron to Sabinov | 4,574.76 mi (7,362.37 km) |
| Port Huron to Sal'a | 4,500.57 mi (7,242.97 km) |
| Port Huron to Samorin | 4,485.00 mi (7,217.91 km) |
| Port Huron to Senec | 4,480.20 mi (7,210.18 km) |
| Port Huron to Senica | 4,459.74 mi (7,177.26 km) |
| Port Huron to Sered' | 4,489.42 mi (7,225.02 km) |
| Port Huron to Skalica | 4,447.93 mi (7,158.26 km) |
| Port Huron to Smizany | 4,561.65 mi (7,341.27 km) |
| Port Huron to Snina | 4,617.46 mi (7,431.08 km) |
| Port Huron to Spisska Nova Ves | 4,563.52 mi (7,344.27 km) |
| Port Huron to Stara L'ubovna | 4,551.65 mi (7,325.18 km) |
| Port Huron to Stara Tura | 4,467.71 mi (7,190.08 km) |
| Port Huron to Stropkov | 4,590.28 mi (7,387.35 km) |
