Distance from Duluth, MN to O'Fallon, MO

Driving distance from Duluth, MN to O'Fallon, MO is 645 miles (1038 km). How far is it from Duluth, MN to O'Fallon, MO? It's a 10 hours 32 minutes drive by car. Flight distance is approximately 556 miles (894 km) and flight time from Duluth, MN to O'Fallon, MO is 01 hours 07 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
645 Miles
/
1038 Km
Driving distance
Gas consumption
25.80 Gallons
98.61 Litres
Gas consumption
Flight distance
556 Miles
/
894 Km
Flight distance

How far is it from Duluth, MN to O'Fallon, MO?

To travel the distance from Duluth, MN 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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