There are
1,345 mi
from Lewisville, TX to Hyattsville, MD
That's the driving distance. It would take 1 day to go from Lewisville, Texas to Hyattsville, Maryland.
The flight distance (direct flight from Lewisville, TX to Hyattsville, MD) is 1,189.65 mi.
1,345 mi = 1.61 kms