There are
2,848 mi
from Vallejo, CA to Smithfield, NC
That's the driving distance. It would take 2 days 2 hours to go from Vallejo, California to Smithfield, North Carolina.
The flight distance (direct flight from Vallejo, CA to Smithfield, NC) is 2,413.54 mi.
2,848 mi = 3.22 kms