There are
917 mi
from Milford, CT to Sycamore, IL
That's the driving distance. It would take 17 hours 26 mins to go from Milford, Connecticut to Sycamore, Illinois.
The flight distance (direct flight from Milford, CT to Sycamore, IL) is 807.67 mi.
917 mi = 1,476.47 kms