There are
1,614 mi
from Harlingen, TX to Middleburg Heights, OH
That's the driving distance. It would take 1 day 6 hours to go from Harlingen, Texas to Middleburg Heights, Ohio.
The flight distance (direct flight from Harlingen, TX to Middleburg Heights, OH) is 1,384.82 mi.
1,614 mi = 2,596.90 kms