| Sioux City to Totana | 4,743.14 mi (7,633.34 km) |
| Sioux City to Trujillo | 4,483.71 mi (7,215.84 km) |
| Sioux City to Tudela | 4,559.24 mi (7,337.38 km) |
| Sioux City to Tudela de Duero | 4,454.60 mi (7,168.99 km) |
| Sioux City to Tuineje | 4,559.20 mi (7,337.33 km) |
| Sioux City to Ubeda | 4,652.06 mi (7,486.77 km) |
| Sioux City to Ubrique | 4,615.79 mi (7,428.40 km) |
| Sioux City to Umbrete | 4,556.69 mi (7,333.28 km) |
| Sioux City to Utebo | 4,598.99 mi (7,401.36 km) |
| Sioux City to Utiel | 4,679.76 mi (7,531.35 km) |
| Sioux City to Utrera | 4,581.17 mi (7,372.69 km) |
| Sioux City to Valdemorillo | 4,519.87 mi (7,274.02 km) |
| Sioux City to Valdemoro | 4,549.22 mi (7,321.26 km) |
| Sioux City to Valdepenas | 4,619.49 mi (7,434.35 km) |
| Sioux City to Valencia | 4,718.89 mi (7,594.31 km) |
