There are
2,817 mi
from Allentown, PA to Shasta Lake, CA
That's the driving distance. It would take 2 days 1 hour to go from Allentown, Pennsylvania to Shasta Lake, California.
The flight distance (direct flight from Allentown, PA to Shasta Lake, CA) is 2,427.64 mi.
2,817 mi = 3.22 kms