There are
2,145 mi
from Chattanooga, TN to Oceanside, CA
That's the driving distance. It would take 1 day 13 hours to go from Chattanooga, Tennessee to Oceanside, California.
The flight distance (direct flight from Chattanooga, TN to Oceanside, CA) is 1,830.93 mi.
2,145 mi = 3,452.21 kms