There are
2,304 mi
from Carlsbad, CA to Johnson City, TN
That's the driving distance. It would take 1 day 16 hours to go from Carlsbad, California to Johnson City, Tennessee.
The flight distance (direct flight from Carlsbad, CA to Johnson City, TN) is 1,988.26 mi.
2,304 mi = 3,707.40 kms