There are
1,675 mi
from Harlingen, TX to Tehachapi, CA
That's the driving distance. It would take 1 day 5 hours to go from Harlingen, Texas to Tehachapi, California.
The flight distance (direct flight from Harlingen, TX to Tehachapi, CA) is 1,375.61 mi.
1,675 mi = 2,695.50 kms