There are
2,260 mi
from Johnson City, TN to San Dimas, CA
That's the driving distance. It would take 1 day 15 hours to go from Johnson City, Tennessee to San Dimas, California.
The flight distance (direct flight from Johnson City, TN to San Dimas, CA) is 1,996.08 mi.
2,260 mi = 3,637.37 kms