There are
1,547 mi
from Harlingen, TX to Fostoria, OH
That's the driving distance. It would take 1 day 5 hours to go from Harlingen, Texas to Fostoria, Ohio.
The flight distance (direct flight from Harlingen, TX to Fostoria, OH) is 1,316.58 mi.
1,547 mi = 2,489.65 kms