There are
1,528 mi
from Harlingen, TX to Coronado, CA
That's the driving distance. It would take 1 day 2 hours to go from Harlingen, Texas to Coronado, California.
The flight distance (direct flight from Harlingen, TX to Coronado, CA) is 1,253.08 mi.
1,528 mi = 2,459.36 kms