There are
2,523 mi
from Johnson City, TN to Manteca, CA
That's the driving distance. It would take 1 day 20 hours to go from Johnson City, Tennessee to Manteca, California.
The flight distance (direct flight from Johnson City, TN to Manteca, CA) is 2,129.86 mi.
2,523 mi = 4,059.67 kms