There are
2,905 mi
from San Leandro, CA to Ringwood, NJ
That's the driving distance. It would take 2 days 3 hours to go from San Leandro, California to Ringwood, New Jersey.
The flight distance (direct flight from San Leandro, CA to Ringwood, NJ) is 2,535.75 mi.
2,905 mi = 3.22 kms