There are
2,539 mi
from Yuma, AZ to Allentown, PA
That's the driving distance. It would take 1 day 21 hours to go from Yuma, Arizona to Allentown, Pennsylvania.
The flight distance (direct flight from Yuma, AZ to Allentown, PA) is 2,217.91 mi.
2,539 mi = 3.22 kms