There are
1,845 mi
from Layton, UT to Plum, PA
That's the driving distance. It would take 1 day 8 hours to go from Layton, Utah to Plum, Pennsylvania.
The flight distance (direct flight from Layton, UT to Plum, PA) is 1,676.58 mi.
1,845 mi = 2,968.54 kms