Distance between Decatur and O'Fallon
Distance from Decatur, IL to O'Fallon, IL is 100 miles / 161 kilometers.
Map showing the distance from Decatur to O'Fallon
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Air distance: | miles km |
Decatur, IL
| City: | Decatur, IL |
| Country: | United States |
O'Fallon, IL
| City: | O'Fallon, IL |
| Country: | United States |
Time difference between Decatur and O'Fallon
There is no time difference between Decatur and O'Fallon. Current local time in Decatur and O'Fallon is 20:58 CST (2025-02-16)