There are
1,814 mi
from St George, UT to Lexington, KY
That's the driving distance. It would take 1 day 7 hours to go from St George, Utah to Lexington, Kentucky.
The flight distance (direct flight from St George, UT to Lexington, KY) is 1,587.12 mi.
1,814 mi = 1.61 kms