Miles between St George, UT and Louisville, CO

There are
643 mi
from St George, UT to Louisville, CO

That's the driving distance. It would take 11 hours 9 mins to go from St George, Utah to Louisville, Colorado.

The flight distance (direct flight from St George, UT to Louisville, CO) is 497.75 mi.

643 mi = 1,035.22 kms