There are
2,405 mi
from Chattanooga, TN to San Ramon, CA
That's the driving distance. It would take 1 day 18 hours to go from Chattanooga, Tennessee to San Ramon, California.
The flight distance (direct flight from Chattanooga, TN to San Ramon, CA) is 2,034.60 mi.
2,405 mi = 3.22 kms