Distance between O'Fallon and Union
Distance from O'Fallon, MO to Union, MO is 30 miles / 48 kilometers.
Map showing the distance from O'Fallon to Union
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Air distance: | miles km |
O'Fallon, MO
| City: | O'Fallon, MO |
| Country: | United States |
Union, MO
| City: | Union, MO |
| Country: | United States |
Time difference between O'Fallon and Union
There is no time difference between O'Fallon and Union. Current local time in O'Fallon and Union is 08:22 CST (2025-02-16)