| Sioux City to Nowy Dwor Mazowiecki | 4,884.41 mi (7,860.70 km) |
| Sioux City to Nowy Sacz | 5,024.07 mi (8,085.46 km) |
| Sioux City to Nowy Targ | 5,010.88 mi (8,064.23 km) |
| Sioux City to Nowy Tomysl | 4,752.17 mi (7,647.87 km) |
| Sioux City to Nysa | 4,877.65 mi (7,849.83 km) |
| Sioux City to Oborniki | 4,757.35 mi (7,656.21 km) |
| Sioux City to Oborniki Slaskie | 4,824.37 mi (7,764.07 km) |
| Sioux City to Olawa | 4,854.33 mi (7,812.29 km) |
| Sioux City to Olecko | 4,855.41 mi (7,814.02 km) |
| Sioux City to Olesnica | 4,844.09 mi (7,795.81 km) |
| Sioux City to Olesno | 4,891.85 mi (7,872.67 km) |
| Sioux City to Olkusz | 4,956.44 mi (7,976.62 km) |
| Sioux City to Olsztyn | 4,811.06 mi (7,742.65 km) |
| Sioux City to Opalenica | 4,761.23 mi (7,662.45 km) |
| Sioux City to Opoczno | 4,924.10 mi (7,924.57 km) |
