There are
847 mi
from Chattanooga, TN to Rosenberg, TX
That's the driving distance. It would take 15 hours 33 mins to go from Chattanooga, Tennessee to Rosenberg, Texas.
The flight distance (direct flight from Chattanooga, TN to Rosenberg, TX) is 720.29 mi.
847 mi = 1,363.47 kms