There are
756 mi
from Chattanooga, TN to Lansdale, PA
That's the driving distance. It would take 14 hours 2 mins to go from Chattanooga, Tennessee to Lansdale, Pennsylvania.
The flight distance (direct flight from Chattanooga, TN to Lansdale, PA) is 654.90 mi.
756 mi = 1,216.84 kms