There are
1,472 mi
from Rowlett, TX to Lansdale, PA
That's the driving distance. It would take 1 day 2 hours to go from Rowlett, Texas to Lansdale, Pennsylvania.
The flight distance (direct flight from Rowlett, TX to Lansdale, PA) is 1,280.87 mi.
1,472 mi = 2,369.38 kms