There are
2,126 mi
from Allentown, PA to Spanish Fork, UT
That's the driving distance. It would take 1 day 13 hours to go from Allentown, Pennsylvania to Spanish Fork, Utah.
The flight distance (direct flight from Allentown, PA to Spanish Fork, UT) is 1,890.72 mi.
2,126 mi = 3.22 kms