There are
1,607 mi
from Wheaton, IL to St George, UT
That's the driving distance. It would take 1 day 3 hours to go from Wheaton, Illinois to St George, Utah.
The flight distance (direct flight from Wheaton, IL to St George, UT) is 1,392.16 mi.
1,607 mi = 2,585.66 kms