Distance between Boulder and Decatur
Distance from Boulder, CO to Decatur, IL is 863 miles / 1389 kilometers.
Map showing the distance from Boulder to Decatur
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Air distance: | miles km |
Boulder, CO
| City: | Boulder, CO |
| Country: | United States |
| Coordinates: |
40°0′53″N 105°16′13″W |
Decatur, IL
| City: | Decatur, IL |
| Country: | United States |
| Coordinates: |
39°50′25″N 88°57′17″W |
Time difference between Boulder and Decatur
The time difference between Boulder and Decatur is 23 hours. Decatur is 23 hours behind Boulder. Current local time in Boulder is 23:49 MST (2025-01-02) and time in Decatur is 00:49 CST (2025-01-03).