There are
615 mi
from Mckinney, TX to Pascagoula, MS
That's the driving distance. It would take 11 hours 9 mins to go from Mckinney, Texas to Pascagoula, Mississippi.
The flight distance (direct flight from Mckinney, TX to Pascagoula, MS) is 513.31 mi.
615 mi = 989.65 kms