There are
778 mi
from Edmond, OK to Sycamore, IL
That's the driving distance. It would take 14 hours 5 mins to go from Edmond, Oklahoma to Sycamore, Illinois.
The flight distance (direct flight from Edmond, OK to Sycamore, IL) is 644.03 mi.
778 mi = 1,252.29 kms