There are
785 mi
from Chattanooga, TN to Sachse, TX
That's the driving distance. It would take 13 hours 56 mins to go from Chattanooga, Tennessee to Sachse, Texas.
The flight distance (direct flight from Chattanooga, TN to Sachse, TX) is 661.59 mi.
785 mi = 1,264.01 kms