Miles between Thornton, CO and Lake St Louis, MO

There are
816 mi
from Thornton, CO to Lake St Louis, MO

That's the driving distance. It would take 14 hours 19 mins to go from Thornton, Colorado to Lake St Louis, Missouri.

The flight distance (direct flight from Thornton, CO to Lake St Louis, MO) is 760.99 mi.

816 mi = 1,312.58 kms