There are
781 mi
from Greensboro, NC to Sycamore, IL
That's the driving distance. It would take 15 hours 10 mins to go from Greensboro, North Carolina to Sycamore, Illinois.
The flight distance (direct flight from Greensboro, NC to Sycamore, IL) is 627.88 mi.
781 mi = 1,256.86 kms