There are
2,145 mi
from National City, CA to Chattanooga, TN
That's the driving distance. It would take 1 day 13 hours to go from National City, California to Chattanooga, Tennessee.
The flight distance (direct flight from National City, CA to Chattanooga, TN) is 1,823.51 mi.
2,145 mi = 3,452.42 kms