There are
2,804 mi
from Passaic, NJ to La Mesa, CA
That's the driving distance. It would take 2 days 2 hours to go from Passaic, New Jersey to La Mesa, California.
The flight distance (direct flight from Passaic, NJ to La Mesa, CA) is 2,412.46 mi.
2,804 mi = 4,512.57 kms