There are
1,477 mi
from Harlingen, TX to Indio, CA
That's the driving distance. It would take 1 day 1 hour to go from Harlingen, Texas to Indio, California.
The flight distance (direct flight from Harlingen, TX to Indio, CA) is 1,222.12 mi.
1,477 mi = 2,376.66 kms