Miles between Port Arthur, TX and Mckinney, TX

There are
324 mi
from Port Arthur, TX to Mckinney, TX

That's the driving distance. It would take 6 hours 13 mins to go from Port Arthur, Texas to Mckinney, Texas.

The flight distance (direct flight from Port Arthur, TX to Mckinney, TX) is 278.63 mi.

324 mi = 520.65 kms