There are
1,753 mi
from St George, UT to Radcliff, KY
That's the driving distance. It would take 1 day 6 hours to go from St George, Utah to Radcliff, Kentucky.
The flight distance (direct flight from St George, UT to Radcliff, KY) is 1,510.48 mi.
1,753 mi = 1.61 kms