Miles between Thornton, CO and Clearfield, UT

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

That's the driving distance. It would take 8 hours 40 mins to go from Thornton, Colorado to Clearfield, Utah.

The flight distance (direct flight from Thornton, CO to Clearfield, UT) is 380.37 mi.

503 mi = 809.92 kms