Distance between Sioux City and Thornton
Distance from Sioux City, IA to Thornton, CO is 481 miles / 774 kilometers.
Map showing the distance from Sioux City to Thornton
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Air distance: | miles km |
Sioux City, IA
| City: | Sioux City, IA |
| Country: | United States |
Thornton, CO
| City: | Thornton, CO |
| Country: | United States |
Time difference between Sioux City and Thornton
The time difference between Sioux City and Thornton is 1 hour. Thornton is 1 hour behind Sioux City. Current local time in Sioux City is 19:53 CST (2025-01-24) and time in Thornton is 18:53 MST (2025-01-24).