There are
2,776 mi
from Downey, CA to Keansburg, NJ
That's the driving distance. It would take 2 days 1 hour to go from Downey, California to Keansburg, New Jersey.
The flight distance (direct flight from Downey, CA to Keansburg, NJ) is 2,437.63 mi.
2,776 mi = 4,466.92 kms