There are
2,938 mi
from Union City, CA to Peekskill, NY
That's the driving distance. It would take 2 days 3 hours to go from Union City, California to Peekskill, New York.
The flight distance (direct flight from Union City, CA to Peekskill, NY) is 2,547.76 mi.
2,938 mi = 3.22 kms