There are
1,998 mi
from Dickson, TN to San Marcos, CA
That's the driving distance. It would take 1 day 10 hours to go from Dickson, Tennessee to San Marcos, California.
The flight distance (direct flight from Dickson, TN to San Marcos, CA) is 1,698.80 mi.
1,998 mi = 1.61 kms