There are
1,941 mi
from Harlingen, TX to Los Gatos, CA
That's the driving distance. It would take 1 day 10 hours to go from Harlingen, Texas to Los Gatos, California.
The flight distance (direct flight from Harlingen, TX to Los Gatos, CA) is 1,610.77 mi.
1,941 mi = 3,124.07 kms