There are
1,920 mi
from Orem, UT to Johnstown, PA
That's the driving distance. It would take 1 day 10 hours to go from Orem, Utah to Johnstown, Pennsylvania.
The flight distance (direct flight from Orem, UT to Johnstown, PA) is 1,716.66 mi.
1,920 mi = 1.61 kms