There are
2,431 mi
from Johnson City, TN to Lompoc, CA
That's the driving distance. It would take 1 day 18 hours to go from Johnson City, Tennessee to Lompoc, California.
The flight distance (direct flight from Johnson City, TN to Lompoc, CA) is 2,133.27 mi.
2,431 mi = 3,912.18 kms