Distance between San Mateo and O'Fallon
Distance from San Mateo, CA to O'Fallon, IL is 1755 miles / 2825 kilometers.
Map showing the distance from San Mateo to O'Fallon
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Air distance: | miles km |
San Mateo, CA
| City: | San Mateo, CA |
| Country: | United States |
O'Fallon, IL
| City: | O'Fallon, IL |
| Country: | United States |
Time difference between San Mateo and O'Fallon
The time difference between San Mateo and O'Fallon is 2 hours. O'Fallon is 2 hours ahead of San Mateo. Current local time in San Mateo is 18:22 PST (2025-02-16) and time in O'Fallon is 20:22 CST (2025-02-16).