There are
1,545 mi
from Fostoria, OH to Harlingen, TX
That's the driving distance. It would take 1 day 4 hours to go from Fostoria, Ohio to Harlingen, Texas.
The flight distance (direct flight from Fostoria, OH to Harlingen, TX) is 1,316.58 mi.
1,545 mi = 2,486.80 kms