There are
2,685 mi
from Temecula, CA to Allentown, PA
That's the driving distance. It would take 2 days to go from Temecula, California to Allentown, Pennsylvania.
The flight distance (direct flight from Temecula, CA to Allentown, PA) is 2,326.67 mi.
2,685 mi = 3.22 kms