There are
2,791 mi
from Fountain Valley, CA to Hackensack, NJ
That's the driving distance. It would take 2 days 1 hour to go from Fountain Valley, California to Hackensack, New Jersey.
The flight distance (direct flight from Fountain Valley, CA to Hackensack, NJ) is 2,437.61 mi.
2,791 mi = 4,491.01 kms