There are
2,933 mi
from Ridgewood, NJ to Campbell, CA
That's the driving distance. It would take 2 days 3 hours to go from Ridgewood, New Jersey to Campbell, California.
The flight distance (direct flight from Ridgewood, NJ to Campbell, CA) is 2,544.26 mi.
2,933 mi = 4,719.79 kms