There are
2,791 mi
from Downey, CA to Cliffside Park, NJ
That's the driving distance. It would take 2 days 1 hour to go from Downey, California to Cliffside Park, New Jersey.
The flight distance (direct flight from Downey, CA to Cliffside Park, NJ) is 2,443.46 mi.
2,791 mi = 3.22 kms