There are
2,465 mi
from Dearborn, MI to Watsonville, CA
That's the driving distance. It would take 1 day 18 hours to go from Dearborn, Michigan to Watsonville, California.
The flight distance (direct flight from Dearborn, MI to Watsonville, CA) is 2,069 mi.
2,465 mi = 3.22 kms