There are
2,924 mi
from Passaic, NJ to Menlo Park, CA
That's the driving distance. It would take 2 days 3 hours to go from Passaic, New Jersey to Menlo Park, California.
The flight distance (direct flight from Passaic, NJ to Menlo Park, CA) is 2,553.01 mi.
2,924 mi = 4,705.53 kms