There are
2,138 mi
from Chattanooga, TN to La Mesa, CA
That's the driving distance. It would take 1 day 13 hours to go from Chattanooga, Tennessee to La Mesa, California.
The flight distance (direct flight from Chattanooga, TN to La Mesa, CA) is 1,817.73 mi.
2,138 mi = 3.22 kms