There are
2,418 mi
from Tustin, CA to Bethel Park, PA
That's the driving distance. It would take 1 day 19 hours to go from Tustin, California to Bethel Park, Pennsylvania.
The flight distance (direct flight from Tustin, CA to Bethel Park, PA) is 2,116.30 mi.
2,418 mi = 3.22 kms