There are
1,526 mi
from Harlingen, TX to Chula Vista, CA
That's the driving distance. It would take 1 day 2 hours to go from Harlingen, Texas to Chula Vista, California.
The flight distance (direct flight from Harlingen, TX to Chula Vista, CA) is 1,246.68 mi.
1,526 mi = 2,456.32 kms