There are
1,901 mi
from St George, UT to Chillicothe, OH
That's the driving distance. It would take 1 day 9 hours to go from St George, Utah to Chillicothe, Ohio.
The flight distance (direct flight from St George, UT to Chillicothe, OH) is 1,660.18 mi.
1,901 mi = 1.61 kms