| Port Huron to Sereflikochisar | 5,504.79 mi (8,859.11 km) |
| Port Huron to Serik | 5,518.34 mi (8,880.91 km) |
| Port Huron to Serinhisar | 5,415.81 mi (8,715.91 km) |
| Port Huron to Serinyol | 5,734.56 mi (9,228.88 km) |
| Port Huron to Seydisehir | 5,520.98 mi (8,885.16 km) |
| Port Huron to Seyhan | 5,670.96 mi (9,126.52 km) |
| Port Huron to Seyitgazi | 5,375.89 mi (8,651.67 km) |
| Port Huron to Siirt | 5,849.15 mi (9,413.30 km) |
| Port Huron to Sile | 5,250.24 mi (8,449.45 km) |
| Port Huron to Silifke | 5,651.48 mi (9,095.18 km) |
| Port Huron to Silivri | 5,205.34 mi (8,377.18 km) |
| Port Huron to Silopi | 5,903.74 mi (9,501.16 km) |
| Port Huron to Simav | 5,330.48 mi (8,578.57 km) |
| Port Huron to Sinanpasa | 5,394.32 mi (8,681.32 km) |
| Port Huron to Sindirgi | 5,292.39 mi (8,517.28 km) |
