There are
2,918 mi
from Redwood City, CA to Middlesex, NJ
That's the driving distance. It would take 2 days 3 hours to go from Redwood City, California to Middlesex, New Jersey.
The flight distance (direct flight from Redwood City, CA to Middlesex, NJ) is 2,540.04 mi.
2,918 mi = 4,695.36 kms