There are
2,424 mi
from Chattanooga, TN to San Bruno, CA
That's the driving distance. It would take 1 day 18 hours to go from Chattanooga, Tennessee to San Bruno, California.
The flight distance (direct flight from Chattanooga, TN to San Bruno, CA) is 2,059.25 mi.
2,424 mi = 3,901.33 kms