Distance between Sioux City and Longmont
Distance from Sioux City, IA to Longmont, CO is 479 miles / 771 kilometers.
Map showing the distance from Sioux City to Longmont
 |
Air distance: | miles km |
Sioux City, IA
| City: | Sioux City, IA |
| Country: | United States |
| Coordinates: |
42°29′59″N 96°24′1″W |
Longmont, CO
| City: | Longmont, CO |
| Country: | United States |
| Coordinates: |
40°10′1″N 105°6′6″W |
Time difference between Sioux City and Longmont
The time difference between Sioux City and Longmont is 1 hour. Longmont is 1 hour behind Sioux City. Current local time in Sioux City is 09:36 CST (2025-01-09) and time in Longmont is 08:36 MST (2025-01-09).