Distance from O'Fallon, MO to Ontario, CA
Driving distance from O'Fallon, MO to Ontario, CA is 1798 miles (2893 km). How far is it from O'Fallon, MO to Ontario, CA? It's a 27 hours 16 minutes drive by car. Flight distance is approximately 1528 miles (2459 km) and flight time from O'Fallon, MO to Ontario, CA is 03 hours 04 minutes. Don't forget to check out our "Gas cost calculator" option. It will calculate cost of driving this particular distance. See the map below for the visual display of the upcoming road trip.
Check returning route - Distance from Ontario, CA to O'Fallon, MO How far is it from O'Fallon, MO to Ontario, CA?
To travel the distance from O'Fallon, MO to Ontario, CA, please, click on the map to see the route for the journey. "Gas Cost Calculator" tool is to your right. You can always modify it and make the number more applicable for your journey.
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