Miles between Casper, WY and St George, UT

There are
689 mi
from Casper, WY to St George, UT

That's the driving distance. It would take 12 hours to go from Casper, Wyoming to St George, Utah.

The flight distance (direct flight from Casper, WY to St George, UT) is 553.61 mi.

689 mi = 1,109.12 kms