| Sioux City to Imola | 4,977.22 mi (8,010.06 km) |
| Sioux City to Impruneta | 4,991.46 mi (8,032.98 km) |
| Sioux City to Induno Olona | 4,803.48 mi (7,730.45 km) |
| Sioux City to Inverigo | 4,822.74 mi (7,761.45 km) |
| Sioux City to Inveruno | 4,819.09 mi (7,755.57 km) |
| Sioux City to Inzago | 4,841.52 mi (7,791.68 km) |
| Sioux City to Iseo | 4,856.58 mi (7,815.91 km) |
| Sioux City to Isernia | 5,200.60 mi (8,369.56 km) |
| Sioux City to Isola Capo Rizzuto | 5,436.36 mi (8,748.97 km) |
| Sioux City to Isola del Liri | 5,172.26 mi (8,323.95 km) |
| Sioux City to Isola della Scala | 4,909.12 mi (7,900.46 km) |
| Sioux City to Isola Vicentina | 4,908.10 mi (7,898.83 km) |
| Sioux City to Ispica | 5,461.27 mi (8,789.06 km) |
| Sioux City to Istrana | 4,929.01 mi (7,932.48 km) |
| Sioux City to Itri | 5,189.85 mi (8,352.26 km) |
