There are
1,396 mi
from Mckinney, TX to San Jacinto, CA
That's the driving distance. It would take 23 hours 55 mins to go from Mckinney, Texas to San Jacinto, California.
The flight distance (direct flight from Mckinney, TX to San Jacinto, CA) is 1,169.64 mi.
1,396 mi = 1.61 kms