There are
817 mi
from Chattanooga, TN to North Richland Hills, TX
That's the driving distance. It would take 14 hours 34 mins to go from Chattanooga, Tennessee to North Richland Hills, Texas.
The flight distance (direct flight from Chattanooga, TN to North Richland Hills, TX) is 699.63 mi.
817 mi = 1,315.39 kms