There are
2,140 mi
from Chattanooga, TN to Lemon Grove, CA
That's the driving distance. It would take 1 day 13 hours to go from Chattanooga, Tennessee to Lemon Grove, California.
The flight distance (direct flight from Chattanooga, TN to Lemon Grove, CA) is 1,818.60 mi.
2,140 mi = 3.22 kms