Miles between Thornton, CO and Syracuse, UT

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

That's the driving distance. It would take 8 hours 45 mins to go from Thornton, Colorado to Syracuse, Utah.

The flight distance (direct flight from Thornton, CO to Syracuse, UT) is 382.09 mi.

506 mi = 814.41 kms