There are
1,730 mi
from Mckinney, TX to Hercules, CA
That's the driving distance. It would take 1 day 6 hours to go from Mckinney, Texas to Hercules, California.
The flight distance (direct flight from Mckinney, TX to Hercules, CA) is 1,473.74 mi.
1,730 mi = 1.61 kms