Miles between Thornton, CO and Holladay, UT

There are
506 mi
from Thornton, CO to Holladay, UT

That's the driving distance. It would take 8 hours 41 mins to go from Thornton, Colorado to Holladay, Utah.

The flight distance (direct flight from Thornton, CO to Holladay, UT) is 365.40 mi.

506 mi = 814.08 kms