There are
2,804 mi
from La Mesa, CA to Passaic, NJ
That's the driving distance. It would take 2 days 2 hours to go from La Mesa, California to Passaic, New Jersey.
The flight distance (direct flight from La Mesa, CA to Passaic, NJ) is 2,412.46 mi.
2,804 mi = 4,512.46 kms