There are
2,916 mi
from Redwood City, CA to New Providence, NJ
That's the driving distance. It would take 2 days 3 hours to go from Redwood City, California to New Providence, New Jersey.
The flight distance (direct flight from Redwood City, CA to New Providence, NJ) is 2,543.07 mi.
2,916 mi = 4,692.10 kms