Distance from St. Louis, MO to Decatur, AL

Driving distance from St. Louis, MO to Decatur, AL is 425 miles (684 km). How far is it from St. Louis, MO to Decatur, AL? It's a 06 hours 31 minutes drive by car. Flight distance is approximately 330 miles (531 km) and flight time from St. Louis, MO to Decatur, AL is 39 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
425 Miles
/
684 Km
Driving distance
Gas consumption
17.00 Gallons
64.98 Litres
Gas consumption
Flight distance
330 Miles
/
531 Km
Flight distance

How far is it from St. Louis, MO to Decatur, AL?

To travel the distance from St. Louis, MO to Decatur, AL, 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 Decatur, AL

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Last distance calculations