There are
1,980 mi
from Harlingen, TX to El Cerrito, CA
That's the driving distance. It would take 1 day 10 hours to go from Harlingen, Texas to El Cerrito, California.
The flight distance (direct flight from Harlingen, TX to El Cerrito, CA) is 1,645.96 mi.
1,980 mi = 3,187.15 kms