There are
1,447 mi
from Mckinney, TX to Buena Park, CA
That's the driving distance. It would take 1 day to go from Mckinney, Texas to Buena Park, California.
The flight distance (direct flight from Mckinney, TX to Buena Park, CA) is 1,228.78 mi.
1,447 mi = 1.61 kms