| Sioux City to Sabadell | 4,732.85 mi (7,616.79 km) |
| Sioux City to Sabinanigo | 4,591.47 mi (7,389.25 km) |
| Sioux City to Sagunto | 4,714.46 mi (7,587.20 km) |
| Sioux City to Salamanca | 4,433.17 mi (7,134.49 km) |
| Sioux City to Salobrena | 4,695.53 mi (7,556.73 km) |
| Sioux City to Salou | 4,713.11 mi (7,585.02 km) |
| Sioux City to Salt | 4,741.91 mi (7,631.36 km) |
| Sioux City to Salvatierra de Mino | 4,268.40 mi (6,869.33 km) |
| Sioux City to Sama | 4,340.93 mi (6,986.06 km) |
| Sioux City to San Adrian de Besos | 4,742.40 mi (7,632.16 km) |
| Sioux City to San Agustin de Guadalix | 4,531.90 mi (7,293.38 km) |
| Sioux City to San Andres de la Barca | 4,731.86 mi (7,615.20 km) |
| Sioux City to San Andres de Llevaneras | 4,746.96 mi (7,639.50 km) |
| Sioux City to San Andres del Rabanedo | 4,370.95 mi (7,034.37 km) |
| Sioux City to San Bartolome | 4,501.05 mi (7,243.75 km) |
