Miles between Thornton, CO and Kansas City, KS

There are
603 mi
from Thornton, CO to Kansas City, KS

That's the driving distance. It would take 10 hours 17 mins to go from Thornton, Colorado to Kansas City, Kansas.

The flight distance (direct flight from Thornton, CO to Kansas City, KS) is 553.72 mi.

603 mi = 969.79 kms