There are
2,917 mi
from Trenton, NJ to Ukiah, CA
That's the driving distance. It would take 2 days 3 hours to go from Trenton, New Jersey to Ukiah, California.
The flight distance (direct flight from Trenton, NJ to Ukiah, CA) is 2,545.41 mi.
2,917 mi = 3.22 kms