There are
2,948 mi
from Ukiah, CA to Mamaroneck, NY
That's the driving distance. It would take 2 days 4 hours to go from Ukiah, California to Mamaroneck, New York.
The flight distance (direct flight from Ukiah, CA to Mamaroneck, NY) is 2,584.38 mi.
2,948 mi = 4,743.71 kms