There are
2,415 mi
from Chattanooga, TN to Pleasant Hill, CA
That's the driving distance. It would take 1 day 18 hours to go from Chattanooga, Tennessee to Pleasant Hill, California.
The flight distance (direct flight from Chattanooga, TN to Pleasant Hill, CA) is 2,037.91 mi.
2,415 mi = 3,886.57 kms