Distance from O'Fallon, MO to Chicago, IL

Driving distance from O'Fallon, MO to Chicago, IL is 323 miles (520 km). How far is it from O'Fallon, MO to Chicago, IL? It's a 05 hours 10 minutes drive by car. Flight distance is approximately 267 miles (429 km) and flight time from O'Fallon, MO to Chicago, IL is 32 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.

Driving distance
323 Miles
/
520 Km
Driving distance
Gas consumption
12.92 Gallons
49.40 Litres
Gas consumption
Flight distance
267 Miles
/
429 Km
Flight distance

How far is it from O'Fallon, MO to Chicago, IL?

To travel the distance from O'Fallon, MO to Chicago, IL, 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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Last distance calculations