Distance from Allen, TX to O'Fallon, MO
Driving distance from Allen, TX to O'Fallon, MO is 604 miles (972 km). How far is it from Allen, TX to O'Fallon, MO? It's a 10 hours 44 minutes drive by car. Flight distance is approximately 516 miles (831 km) and flight time from Allen, TX to O'Fallon, MO is 01 hours 02 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 Allen, TX How far is it from Allen, TX to O'Fallon, MO?
To travel the distance from Allen, TX 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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