There are
1,597 mi
from Harlingen, TX to Alhambra, CA
That's the driving distance. It would take 1 day 3 hours to go from Harlingen, Texas to Alhambra, California.
The flight distance (direct flight from Harlingen, TX to Alhambra, CA) is 1,334.07 mi.
1,597 mi = 2,570.04 kms