Distance from O'Fallon, MO to DeKalb, IL
Driving distance from O'Fallon, MO to DeKalb, IL is 304 miles (489 km). How far is it from O'Fallon, MO to DeKalb, IL? It's a 04 hours 35 minutes drive by car. Flight distance is approximately 239 miles (384 km) and flight time from O'Fallon, MO to DeKalb, IL is 28 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 DeKalb, IL to O'Fallon, MO How far is it from O'Fallon, MO to DeKalb, IL?
To travel the distance from O'Fallon, MO to DeKalb, 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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