| Sioux City to Walcz | 4,717.56 mi (7,592.18 km) |
| Sioux City to Warka | 4,931.01 mi (7,935.70 km) |
| Sioux City to Warsaw | 4,903.15 mi (7,890.86 km) |
| Sioux City to Wasilkow | 4,916.96 mi (7,913.08 km) |
| Sioux City to Wegorzewo | 4,825.30 mi (7,765.56 km) |
| Sioux City to Wegrow | 4,923.89 mi (7,924.23 km) |
| Sioux City to Wejherowo | 4,707.01 mi (7,575.20 km) |
| Sioux City to Wieliczka | 4,986.37 mi (8,024.79 km) |
| Sioux City to Wielun | 4,879.72 mi (7,853.15 km) |
| Sioux City to Wieruszow | 4,862.96 mi (7,826.17 km) |
| Sioux City to Wisla | 4,965.41 mi (7,991.05 km) |
| Sioux City to Wladyslawowo | 4,701.77 mi (7,566.77 km) |
| Sioux City to Wloclawek | 4,824.65 mi (7,764.53 km) |
| Sioux City to Wlodawa | 5,011.29 mi (8,064.90 km) |
| Sioux City to Wloszczowa | 4,940.37 mi (7,950.76 km) |
