There are
2,130 mi
from Lake Forest, CA to Chattanooga, TN
That's the driving distance. It would take 1 day 13 hours to go from Lake Forest, California to Chattanooga, Tennessee.
The flight distance (direct flight from Lake Forest, CA to Chattanooga, TN) is 1,841.56 mi.
2,130 mi = 3,427.17 kms