Miles between Thornton, CO and Washington, UT

There are
633 mi
from Thornton, CO to Washington, UT

That's the driving distance. It would take 10 hours 51 mins to go from Thornton, Colorado to Washington, Utah.

The flight distance (direct flight from Thornton, CO to Washington, UT) is 498.55 mi.

633 mi = 1,018.66 kms