There are
2,825 mi
from Allentown, PA to Orinda, CA
That's the driving distance. It would take 2 days 1 hour to go from Allentown, Pennsylvania to Orinda, California.
The flight distance (direct flight from Allentown, PA to Orinda, CA) is 2,476.20 mi.
2,825 mi = 3.22 kms