There are
2,913 mi
from Walnut Creek, CA to Mineola, NY
That's the driving distance. It would take 2 days 3 hours to go from Walnut Creek, California to Mineola, New York.
The flight distance (direct flight from Walnut Creek, CA to Mineola, NY) is 2,562.63 mi.
2,913 mi = 4,688.22 kms