There are
1,505 mi
from Amarillo, TX to Smithfield, NC
That's the driving distance. It would take 1 day 2 hours to go from Amarillo, Texas to Smithfield, North Carolina.
The flight distance (direct flight from Amarillo, TX to Smithfield, NC) is 1,320.62 mi.
1,505 mi = 1.61 kms