There are
1,728 mi
from Mckinney, TX to Pacifica, CA
That's the driving distance. It would take 1 day 7 hours to go from Mckinney, Texas to Pacifica, California.
The flight distance (direct flight from Mckinney, TX to Pacifica, CA) is 1,482.26 mi.
1,728 mi = 1.61 kms