There are
1,875 mi
from Mcallen, TX to Tonawanda, NY
That's the driving distance. It would take 1 day 10 hours to go from Mcallen, Texas to Tonawanda, New York.
The flight distance (direct flight from Mcallen, TX to Tonawanda, NY) is 1,591.64 mi.
1,875 mi = 1.61 kms