There are
1,548 mi
from Mcallen, TX to Gahanna, OH
That's the driving distance. It would take 1 day 4 hours to go from Mcallen, Texas to Gahanna, Ohio.
The flight distance (direct flight from Mcallen, TX to Gahanna, OH) is 1,300.12 mi.
1,548 mi = 1.61 kms