Distance between Boulder and Alton
Distance from Boulder, CO to Alton, IL is 808 miles / 1300 kilometers.
Map showing the distance from Boulder to Alton
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Air distance: | miles km |
Boulder, CO
| City: | Boulder, CO |
| Country: | United States |
Alton, IL
| City: | Alton, IL |
| Country: | United States |
Time difference between Boulder and Alton
The time difference between Boulder and Alton is 1 hour. Alton is 1 hour ahead of Boulder. Current local time in Boulder is 13:16 MST (2025-01-21) and time in Alton is 14:16 CST (2025-01-21).