There are
2,921 mi
from Ridgewood, NJ to Ukiah, CA
That's the driving distance. It would take 2 days 4 hours to go from Ridgewood, New Jersey to Ukiah, California.
The flight distance (direct flight from Ridgewood, NJ to Ukiah, CA) is 2,564.42 mi.
2,921 mi = 4,700.61 kms