There are
2,899 mi
from Walnut Creek, CA to Newburgh, NY
That's the driving distance. It would take 2 days 2 hours to go from Walnut Creek, California to Newburgh, New York.
The flight distance (direct flight from Walnut Creek, CA to Newburgh, NY) is 2,533.59 mi.
2,899 mi = 4,665.11 kms