Miles between Thornton, CO and Layton, UT

There are
503 mi
from Thornton, CO to Layton, UT

That's the driving distance. It would take 8 hours 38 mins to go from Thornton, Colorado to Layton, Utah.

The flight distance (direct flight from Thornton, CO to Layton, UT) is 376.91 mi.

503 mi = 809.39 kms