There are
2,973 mi
from Ridgewood, NJ to Watsonville, CA
That's the driving distance. It would take 2 days 4 hours to go from Ridgewood, New Jersey to Watsonville, California.
The flight distance (direct flight from Ridgewood, NJ to Watsonville, CA) is 2,543.76 mi.
2,973 mi = 4,784.76 kms