There are
1,639 mi
from St George, UT to Terre Haute, IN
That's the driving distance. It would take 1 day 4 hours to go from St George, Utah to Terre Haute, Indiana.
The flight distance (direct flight from St George, UT to Terre Haute, IN) is 1,423.44 mi.
1,639 mi = 1.61 kms