There are
1,667 mi
from Saginaw, MI to Harlingen, TX
That's the driving distance. It would take 1 day 6 hours to go from Saginaw, Michigan to Harlingen, Texas.
The flight distance (direct flight from Saginaw, MI to Harlingen, TX) is 1,418.77 mi.
1,667 mi = 2,682.58 kms