| Sioux Falls to Solofra | 5,223.50 mi (8,406.41 km) |
| Sioux Falls to Somma Lombardo | 4,768.50 mi (7,674.16 km) |
| Sioux Falls to Somma Vesuviana | 5,206.50 mi (8,379.06 km) |
| Sioux Falls to Sommacampagna | 4,858.75 mi (7,819.41 km) |
| Sioux Falls to Sona | 4,856.60 mi (7,815.93 km) |
| Sioux Falls to Sondrio | 4,788.02 mi (7,705.58 km) |
| Sioux Falls to Sora | 5,135.08 mi (8,264.11 km) |
| Sioux Falls to Sorbolo | 4,870.35 mi (7,838.07 km) |
| Sioux Falls to Soresina | 4,828.52 mi (7,770.75 km) |
| Sioux Falls to Sorisole | 4,800.40 mi (7,725.50 km) |
| Sioux Falls to Sorrento | 5,216.29 mi (8,394.80 km) |
| Sioux Falls to Sorso | 4,990.52 mi (8,031.47 km) |
| Sioux Falls to Sortino | 5,413.30 mi (8,711.86 km) |
| Sioux Falls to Soverato Marina | 5,393.41 mi (8,679.85 km) |
| Sioux Falls to Sovicille | 4,972.60 mi (8,002.63 km) |
