There are
2,115 mi
from Orem, UT to Allentown, PA
That's the driving distance. It would take 1 day 13 hours to go from Orem, Utah to Allentown, Pennsylvania.
The flight distance (direct flight from Orem, UT to Allentown, PA) is 1,890 mi.
2,115 mi = 3.22 kms