| Sioux City to Sycow | 4,849.33 mi (7,804.24 km) |
| Sioux City to Szamotuly | 4,752.60 mi (7,648.56 km) |
| Sioux City to Szczecin | 4,651.37 mi (7,485.66 km) |
| Sioux City to Szczecinek | 4,702.86 mi (7,568.53 km) |
| Sioux City to Szczytno | 4,835.91 mi (7,782.65 km) |
| Sioux City to Szprotawa | 4,768.80 mi (7,674.64 km) |
| Sioux City to Sztum | 4,762.34 mi (7,664.24 km) |
| Sioux City to Szubin | 4,768.05 mi (7,673.44 km) |
| Sioux City to Szydlowiec | 4,948.12 mi (7,963.24 km) |
| Sioux City to Tarnobrzeg | 5,005.70 mi (8,055.90 km) |
| Sioux City to Tarnow | 5,013.48 mi (8,068.41 km) |
| Sioux City to Tarnowskie Gory | 4,926.57 mi (7,928.55 km) |
| Sioux City to Tczew | 4,747.46 mi (7,640.31 km) |
| Sioux City to Tomaszow Lubelski | 5,063.91 mi (8,149.58 km) |
| Sioux City to Tomaszow Mazowiecki | 4,909.08 mi (7,900.39 km) |
