There are
2,709 mi
from Pasadena, CA to Allentown, PA
That's the driving distance. It would take 2 days to go from Pasadena, California to Allentown, Pennsylvania.
The flight distance (direct flight from Pasadena, CA to Allentown, PA) is 2,360.49 mi.
2,709 mi = 3.22 kms