There are
1,717 mi
from Mckinney, TX to Half Moon Bay, CA
That's the driving distance. It would take 1 day 6 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.
1,717 mi = 2,763.59 kms