Miles between Longmont, CO and St George, UT

There are
656 mi
from Longmont, CO to St George, UT

That's the driving distance. It would take 11 hours 24 mins to go from Longmont, Colorado to St George, Utah.

The flight distance (direct flight from Longmont, CO to St George, UT) is 504.03 mi.

656 mi = 1,055.21 kms