There are
1,722 mi
from Mckinney, TX to Half Moon Bay, CA
That's the driving distance. It would take 1 day 7 hours to go from Mckinney, Texas to Half Moon Bay, California.
The flight distance (direct flight from Mckinney, TX to Half Moon Bay, CA) is 1,478.38 mi.
1,722 mi = 1.61 kms