There are
1,707 mi
from Harlingen, TX to Goleta, CA
That's the driving distance. It would take 1 day 5 hours to go from Harlingen, Texas to Goleta, California.
The flight distance (direct flight from Harlingen, TX to Goleta, CA) is 1,433.71 mi.
1,707 mi = 2,746.66 kms