| Port Huron to Santa Ursula | 3,736.08 mi (6,012.64 km) |
| Port Huron to Santander | 3,799.90 mi (6,115.35 km) |
| Port Huron to Santany | 4,254.27 mi (6,846.59 km) |
| Port Huron to Santiago de Compostela | 3,608.11 mi (5,806.70 km) |
| Port Huron to Santiago del Teide | 3,724.95 mi (5,994.73 km) |
| Port Huron to Santiponce | 3,907.93 mi (6,289.20 km) |
| Port Huron to Santomera | 4,115.58 mi (6,623.38 km) |
| Port Huron to Santona | 3,815.86 mi (6,141.04 km) |
| Port Huron to Santurce-Antiguo | 3,838.29 mi (6,177.13 km) |
| Port Huron to Sarria | 3,661.82 mi (5,893.12 km) |
| Port Huron to Sauzal | 3,736.75 mi (6,013.72 km) |
| Port Huron to Sedavi | 4,094.63 mi (6,589.67 km) |
| Port Huron to Segorbe | 4,074.20 mi (6,556.78 km) |
| Port Huron to Segovia | 3,871.71 mi (6,230.91 km) |
| Port Huron to Senmanat | 4,125.28 mi (6,638.99 km) |
