| Sioux City to Wodzislaw Slaski | 4,935.62 mi (7,943.12 km) |
| Sioux City to Wolomin | 4,904.15 mi (7,892.47 km) |
| Sioux City to Wolow | 4,813.79 mi (7,747.05 km) |
| Sioux City to Wolsztyn | 4,761.09 mi (7,662.24 km) |
| Sioux City to Wroclaw | 4,837.48 mi (7,785.18 km) |
| Sioux City to Wronki | 4,741.75 mi (7,631.12 km) |
| Sioux City to Wrzesnia | 4,795.78 mi (7,718.06 km) |
| Sioux City to Wschowa | 4,782.28 mi (7,696.34 km) |
| Sioux City to Wysokie Mazowieckie | 4,911.96 mi (7,905.04 km) |
| Sioux City to Wyszkow | 4,898.07 mi (7,882.68 km) |
| Sioux City to Zabki | 4,903.10 mi (7,890.77 km) |
| Sioux City to Zabkowice Slaskie | 4,855.97 mi (7,814.92 km) |
| Sioux City to Zabrze | 4,931.04 mi (7,935.75 km) |
| Sioux City to Zagan | 4,759.63 mi (7,659.88 km) |
| Sioux City to Zakopane | 5,017.11 mi (8,074.27 km) |
