There are
2,534 mi
from Rancho Cucamonga, CA to Smithfield, NC
That's the driving distance. It would take 1 day 20 hours to go from Rancho Cucamonga, California to Smithfield, North Carolina.
The flight distance (direct flight from Rancho Cucamonga, CA to Smithfield, NC) is 2,214.25 mi.
2,534 mi = 4,078.07 kms