| Sioux City to Roznava | 5,067.39 mi (8,155.18 km) |
| Sioux City to Ruzomberok | 5,007.99 mi (8,059.59 km) |
| Sioux City to Sabinov | 5,062.10 mi (8,146.66 km) |
| Sioux City to Sal'a | 5,007.94 mi (8,059.50 km) |
| Sioux City to Samorin | 4,995.53 mi (8,039.52 km) |
| Sioux City to Senec | 4,989.03 mi (8,029.07 km) |
| Sioux City to Senica | 4,965.48 mi (7,991.16 km) |
| Sioux City to Sered' | 4,996.43 mi (8,040.97 km) |
| Sioux City to Skalica | 4,953.09 mi (7,971.23 km) |
| Sioux City to Smizany | 5,052.41 mi (8,131.06 km) |
| Sioux City to Snina | 5,101.01 mi (8,209.28 km) |
| Sioux City to Spisska Nova Ves | 5,054.19 mi (8,133.93 km) |
| Sioux City to Stara L'ubovna | 5,039.29 mi (8,109.95 km) |
| Sioux City to Stara Tura | 4,971.44 mi (8,000.76 km) |
| Sioux City to Stropkov | 5,074.51 mi (8,166.63 km) |
