There are
1,081 mi
from Waterloo, IA to Smithfield, NC
That's the driving distance. It would take 20 hours 44 mins to go from Waterloo, Iowa to Smithfield, North Carolina.
The flight distance (direct flight from Waterloo, IA to Smithfield, NC) is 891.66 mi.
1,081 mi = 1,739.41 kms