Miles between Thornton, CO and Grain Valley, MO

There are
626 mi
from Thornton, CO to Grain Valley, MO

That's the driving distance. It would take 10 hours 45 mins to go from Thornton, Colorado to Grain Valley, Missouri.

The flight distance (direct flight from Thornton, CO to Grain Valley, MO) is 577.51 mi.

626 mi = 1,008.19 kms