There are
1,611 mi
from St George, UT to New Lenox, IL
That's the driving distance. It would take 1 day 3 hours to go from St George, Utah to New Lenox, Illinois.
The flight distance (direct flight from St George, UT to New Lenox, IL) is 1,397.43 mi.
1,611 mi = 1.61 kms