There are
1,668 mi
from Gilbert, AZ to Sycamore, IL
That's the driving distance. It would take 1 day 6 hours to go from Gilbert, Arizona to Sycamore, Illinois.
The flight distance (direct flight from Gilbert, AZ to Sycamore, IL) is 1,391.32 mi.
1,668 mi = 1.61 kms