There are
2,920 mi
from Fremont, CA to Hackensack, NJ
That's the driving distance. It would take 2 days 3 hours to go from Fremont, California to Hackensack, New Jersey.
The flight distance (direct flight from Fremont, CA to Hackensack, NJ) is 2,544.79 mi.
2,920 mi = 3.22 kms