Distance from DeKalb, IL to O'Fallon, MO
Driving distance from DeKalb, IL to O'Fallon, MO is 305 miles (491 km). How far is it from DeKalb, IL to O'Fallon, MO? It's a 04 hours 50 minutes drive by car. Flight distance is approximately 239 miles (384 km) and flight time from DeKalb, IL to O'Fallon, MO 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 O'Fallon, MO to DeKalb, IL How far is it from DeKalb, IL to O'Fallon, MO?
To travel the distance from DeKalb, IL to O'Fallon, MO, 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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