There are
2,899 mi
from Antioch, CA to Mamaroneck, NY
That's the driving distance. It would take 2 days 3 hours to go from Antioch, California to Mamaroneck, New York.
The flight distance (direct flight from Antioch, CA to Mamaroneck, NY) is 2,539.54 mi.
2,899 mi = 3.22 kms