There are
2,915 mi
from San Mateo, CA to Passaic, NJ
That's the driving distance. It would take 2 days 3 hours to go from San Mateo, California to Passaic, New Jersey.
The flight distance (direct flight from San Mateo, CA to Passaic, NJ) is 2,557.74 mi.
2,915 mi = 3.22 kms