Miles between Kansas City, MO and Thornton, CO

There are
604 mi
from Kansas City, MO to Thornton, CO

That's the driving distance. It would take 10 hours 18 mins to go from Kansas City, Missouri to Thornton, Colorado.

The flight distance (direct flight from Kansas City, MO to Thornton, CO) is 556.46 mi.

604 mi = 971.90 kms