Distance from O'Fallon, MO to Marion, IL

Driving distance from O'Fallon, MO to Marion, IL is 151 miles (243 km). How far is it from O'Fallon, MO to Marion, IL? It's a 02 hours 28 minutes drive by car. Flight distance is approximately 121 miles (195 km) and flight time from O'Fallon, MO to Marion, IL is 14 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
151 Miles
/
243 Km
Driving distance
Gas consumption
6.04 Gallons
23.09 Litres
Gas consumption
Flight distance
121 Miles
/
195 Km
Flight distance

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

To travel the distance from O'Fallon, MO to Marion, 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.

Book a Hotel for your trip to Marion, IL

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Last distance calculations