There are
2,616 mi
from Walnut Creek, CA to Uniontown, PA
That's the driving distance. It would take 1 day 21 hours to go from Walnut Creek, California to Uniontown, Pennsylvania.
The flight distance (direct flight from Walnut Creek, CA to Uniontown, PA) is 2,259.82 mi.
2,616 mi = 4,209.79 kms