There are
2,918 mi
from San Mateo, CA to Ringwood, NJ
That's the driving distance. It would take 2 days 3 hours to go from San Mateo, California to Ringwood, New Jersey.
The flight distance (direct flight from San Mateo, CA to Ringwood, NJ) is 2,548.42 mi.
2,918 mi = 3.22 kms