There are
1,589 mi
from La Habra, CA to Harlingen, TX
That's the driving distance. It would take 1 day 3 hours to go from La Habra, California to Harlingen, Texas.
The flight distance (direct flight from La Habra, CA to Harlingen, TX) is 1,320.65 mi.
1,589 mi = 2,556.58 kms