There are
1,033 mi
from Mckinney, TX to Fountain Hills, AZ
That's the driving distance. It would take 18 hours 50 mins to go from Mckinney, Texas to Fountain Hills, Arizona.
The flight distance (direct flight from Mckinney, TX to Fountain Hills, AZ) is 870.75 mi.
1,033 mi = 1.61 kms