There are
2,770 mi
from Rocklin, CA to Smithfield, NC
That's the driving distance. It would take 2 days 1 hour to go from Rocklin, California to Smithfield, North Carolina.
The flight distance (direct flight from Rocklin, CA to Smithfield, NC) is 2,351.65 mi.
2,770 mi = 4,457.55 kms