The drive from Gilman to Downers Grove is approximately 125 kilometers and takes about 1 hour and 35 minutes. You will head north on I-57, transition to I-80 West, and then take I-355 North toward Downers Grove. This route takes you through the western suburbs of Chicago. Expect moderate traffic near the city center. The entire route is on major interstate highways.
Total Distance: 125 km driving distance; 110 km straight-line distance.
I-355 is a toll road; ensure you have an I-PASS.
Spring or Fall for comfortable driving weather.