There are
1,614 mi
from Mckinney, TX to Greenfield, CA
That's the driving distance. It would take 1 day 5 hours to go from Mckinney, Texas to Greenfield, California.
The flight distance (direct flight from Mckinney, TX to Greenfield, CA) is 1,409.31 mi.
1,614 mi = 1.61 kms