There are
1,752 mi
from Harlingen, TX to Lompoc, CA
That's the driving distance. It would take 1 day 6 hours to go from Harlingen, Texas to Lompoc, California.
The flight distance (direct flight from Harlingen, TX to Lompoc, CA) is 1,472.12 mi.
1,752 mi = 2,819.87 kms