There are
1,804 mi
from Harlingen, TX to Selma, CA
That's the driving distance. It would take 1 day 7 hours to go from Harlingen, Texas to Selma, California.
The flight distance (direct flight from Harlingen, TX to Selma, CA) is 1,473.19 mi.
1,804 mi = 2,902.57 kms