There are
1,432 mi
from Mckinney, TX to San Clemente, CA
That's the driving distance. It would take 1 day to go from Mckinney, Texas to San Clemente, California.
The flight distance (direct flight from Mckinney, TX to San Clemente, CA) is 1,208.99 mi.
1,432 mi = 1.61 kms