| Sioux City to Tutzing | 4,797.48 mi (7,720.80 km) |
| Sioux City to Twist | 4,446.24 mi (7,155.53 km) |
| Sioux City to Twistringen | 4,491.99 mi (7,229.16 km) |
| Sioux City to Ubach-Palenberg | 4,486.27 mi (7,219.96 km) |
| Sioux City to Uberherrn | 4,577.38 mi (7,366.58 km) |
| Sioux City to Uberlingen | 4,729.59 mi (7,611.54 km) |
| Sioux City to Ubstadt-Weiher | 4,648.68 mi (7,481.33 km) |
| Sioux City to Ueckermunde | 4,621.87 mi (7,438.18 km) |
| Sioux City to Uelzen | 4,547.12 mi (7,317.88 km) |
| Sioux City to Uetersen | 4,486.96 mi (7,221.07 km) |
| Sioux City to Uetze | 4,557.24 mi (7,334.17 km) |
| Sioux City to Uhingen | 4,702.73 mi (7,568.31 km) |
| Sioux City to Ulm | 4,730.05 mi (7,612.28 km) |
| Sioux City to Unna | 4,513.98 mi (7,264.54 km) |
| Sioux City to Unterfohring | 4,797.41 mi (7,720.68 km) |
