There are
2,413 mi
from Irvine, CA to Bethel Park, PA
That's the driving distance. It would take 1 day 18 hours to go from Irvine, California to Bethel Park, Pennsylvania.
The flight distance (direct flight from Irvine, CA to Bethel Park, PA) is 2,116.38 mi.
2,413 mi = 3,883.16 kms