There are
248 mi
from Waterloo, IA to Sycamore, IL
That's the driving distance. It would take 4 hours 39 mins to go from Waterloo, Iowa to Sycamore, Illinois.
The flight distance (direct flight from Waterloo, IA to Sycamore, IL) is 190.22 mi.
248 mi = 398.96 kms