There are
1,559 mi
from Rowlett, TX to Rockville Centre, NY
That's the driving distance. It would take 1 day 4 hours to go from Rowlett, Texas to Rockville Centre, New York.
The flight distance (direct flight from Rowlett, TX to Rockville Centre, NY) is 1,371.84 mi.
1,559 mi = 2,509.35 kms