There are
1,418 mi
from Mcallen, TX to Glendale Heights, IL
That's the driving distance. It would take 1 day 2 hours to go from Mcallen, Texas to Glendale Heights, Illinois.
The flight distance (direct flight from Mcallen, TX to Glendale Heights, IL) is 1,229.44 mi.
1,418 mi = 1.61 kms