There are
2,581 mi
from Walnut Creek, CA to Mckeesport, PA
That's the driving distance. It would take 1 day 21 hours to go from Walnut Creek, California to Mckeesport, Pennsylvania.
The flight distance (direct flight from Walnut Creek, CA to Mckeesport, PA) is 2,246.77 mi.
2,581 mi = 4,152.93 kms