There are
1,623 mi
from St George, UT to Tinley Park, IL
That's the driving distance. It would take 1 day 4 hours to go from St George, Utah to Tinley Park, Illinois.
The flight distance (direct flight from St George, UT to Tinley Park, IL) is 1,407.08 mi.
1,623 mi = 1.61 kms