There are
1,322 mi
from Mckinney, TX to Hyattsville, MD
That's the driving distance. It would take 23 hours 58 mins to go from Mckinney, Texas to Hyattsville, Maryland.
The flight distance (direct flight from Mckinney, TX to Hyattsville, MD) is 1,166.65 mi.
1,322 mi = 1.61 kms