There are
1,631 mi
from St George, UT to Crestwood, IL
That's the driving distance. It would take 1 day 4 hours to go from St George, Utah to Crestwood, Illinois.
The flight distance (direct flight from St George, UT to Crestwood, IL) is 1,409.18 mi.
1,631 mi = 1.61 kms