There are
2,142 mi
from Oceanside, CA to Chattanooga, TN
That's the driving distance. It would take 1 day 13 hours to go from Oceanside, California to Chattanooga, Tennessee.
The flight distance (direct flight from Oceanside, CA to Chattanooga, TN) is 1,830.93 mi.
2,142 mi = 3,447.79 kms