Miles between St George, UT and Northglenn, CO

There are
639 mi
from St George, UT to Northglenn, CO

That's the driving distance. It would take 11 hours 1 min to go from St George, Utah to Northglenn, Colorado.

The flight distance (direct flight from St George, UT to Northglenn, CO) is 503.28 mi.

639 mi = 1,027.97 kms