There are
809 mi
from Pasadena, TX to Chattanooga, TN
That's the driving distance. It would take 14 hours 47 mins to go from Pasadena, Texas to Chattanooga, Tennessee.
The flight distance (direct flight from Pasadena, TX to Chattanooga, TN) is 685.45 mi.
809 mi = 1,301.25 kms