There are
2,925 mi
from Redwood City, CA to Ringwood, NJ
That's the driving distance. It would take 2 days 3 hours to go from Redwood City, California to Ringwood, New Jersey.
The flight distance (direct flight from Redwood City, CA to Ringwood, NJ) is 2,545.73 mi.
2,925 mi = 4,707.82 kms