| Sioux City to Trezzo sull'Adda | 4,839.43 mi (7,788.31 km) |
| Sioux City to Tricase | 5,433.94 mi (8,745.08 km) |
| Sioux City to Trieste | 4,989.64 mi (8,030.05 km) |
| Sioux City to Triggiano | 5,324.70 mi (8,569.27 km) |
| Sioux City to Trinitapoli | 5,281.05 mi (8,499.04 km) |
| Sioux City to Trissino | 4,908.20 mi (7,898.98 km) |
| Sioux City to Triuggio | 4,827.57 mi (7,769.23 km) |
| Sioux City to Trofarello | 4,801.67 mi (7,727.55 km) |
| Sioux City to Troina | 5,400.46 mi (8,691.21 km) |
| Sioux City to Turin | 4,795.26 mi (7,717.23 km) |
| Sioux City to Udine | 4,951.11 mi (7,968.04 km) |
| Sioux City to Ugento | 5,426.70 mi (8,733.42 km) |
| Sioux City to Umbertide | 5,049.30 mi (8,126.06 km) |
| Sioux City to Urbino | 5,040.31 mi (8,111.60 km) |
| Sioux City to Urgnano | 4,846.34 mi (7,799.43 km) |
