There are
2,579 mi
from Downey, CA to Smithfield, NC
That's the driving distance. It would take 1 day 21 hours to go from Downey, California to Smithfield, North Carolina.
The flight distance (direct flight from Downey, CA to Smithfield, NC) is 2,247.04 mi.
2,579 mi = 3.22 kms