There are
2,914 mi
from Walnut Creek, CA to Poughkeepsie, NY
That's the driving distance. It would take 2 days 3 hours to go from Walnut Creek, California to Poughkeepsie, New York.
The flight distance (direct flight from Walnut Creek, CA to Poughkeepsie, NY) is 2,535.63 mi.
2,914 mi = 4,689.55 kms