There are
826 mi
from Mckinney, TX to Alpharetta, GA
That's the driving distance. It would take 15 hours 1 min to go from Mckinney, Texas to Alpharetta, Georgia.
The flight distance (direct flight from Mckinney, TX to Alpharetta, GA) is 712.34 mi.
826 mi = 1,329.85 kms