There are
1,637 mi
from Orem, UT to Greenville, OH
That's the driving distance. It would take 1 day 5 hours to go from Orem, Utah to Greenville, Ohio.
The flight distance (direct flight from Orem, UT to Greenville, OH) is 1,422.62 mi.
1,637 mi = 2,634.34 kms