There are
2,397 mi
from Missoula, MT to Smithfield, NC
That's the driving distance. It would take 1 day 19 hours to go from Missoula, Montana to Smithfield, North Carolina.
The flight distance (direct flight from Missoula, MT to Smithfield, NC) is 1,992.82 mi.
2,397 mi = 3.22 kms