There are
2,871 mi
from Cupertino, CA to Allentown, PA
That's the driving distance. It would take 2 days 2 hours to go from Cupertino, California to Allentown, Pennsylvania.
The flight distance (direct flight from Cupertino, CA to Allentown, PA) is 2,481.47 mi.
2,871 mi = 4,620.69 kms