There are
1,742 mi
from Harlingen, TX to Delano, CA
That's the driving distance. It would take 1 day 6 hours to go from Harlingen, Texas to Delano, California.
The flight distance (direct flight from Harlingen, TX to Delano, CA) is 1,433.40 mi.
1,742 mi = 2,804.13 kms