Distance between Boulder and Calumet City
Distance from Boulder, CO to Calumet City, IL is 933 miles / 1501 kilometers.
Map showing the distance from Boulder to Calumet City
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Air distance: | miles km |
Boulder, CO
| City: | Boulder, CO |
| Country: | United States |
Calumet City, IL
| City: | Calumet City, IL |
| Country: | United States |
Time difference between Boulder and Calumet City
The time difference between Boulder and Calumet City is 1 hour. Calumet City is 1 hour ahead of Boulder. Current local time in Boulder is 14:45 MST (2025-02-16) and time in Calumet City is 15:45 CST (2025-02-16).