Miles between St George, UT and Casper, WY

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

That's the driving distance. It would take 11 hours 59 mins to go from St George, Utah to Casper, Wyoming.

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

689 mi = 1,109.62 kms