Distance from St. Louis, MO to Boulder, CO

Driving distance from St. Louis, MO to Boulder, CO is 869 miles (1398 km). How far is it from St. Louis, MO to Boulder, CO? It's a 13 hours 16 minutes drive by car. Flight distance is approximately 810 miles (1304 km) and flight time from St. Louis, MO to Boulder, CO is 01 hours 37 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
869 Miles
/
1398 Km
Driving distance
Gas consumption
34.76 Gallons
132.81 Litres
Gas consumption
Flight distance
810 Miles
/
1304 Km
Flight distance

How far is it from St. Louis, MO to Boulder, CO?

To travel the distance from St. Louis, MO to Boulder, CO, 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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Last distance calculations