There are
2,568 mi
from Johnson City, TN to Walnut Creek, CA
That's the driving distance. It would take 1 day 21 hours to go from Johnson City, Tennessee to Walnut Creek, California.
The flight distance (direct flight from Johnson City, TN to Walnut Creek, CA) is 2,174.31 mi.
2,568 mi = 4,133.16 kms