Distance between Mount Vernon and O'Fallon
Distance from Mount Vernon, IN to O'Fallon, IL is 261 miles / 419 kilometers.
Map showing the distance from Mount Vernon to O'Fallon
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Air distance: | miles km |
Mount Vernon, IN
| City: | Mount Vernon, IN |
| Country: | United States |
O'Fallon, IL
| City: | O'Fallon, IL |
| Country: | United States |
Time difference between Mount Vernon and O'Fallon
The time difference between Mount Vernon and O'Fallon is 1 hour. O'Fallon is 1 hour behind Mount Vernon. Current local time in Mount Vernon is 12:13 EST (2025-02-17) and time in O'Fallon is 11:13 CST (2025-02-17).