There are
1,727 mi
from Tempe, AZ to Downers Grove, IL
That's the driving distance. It would take 1 day 6 hours to go from Tempe, Arizona to Downers Grove, Illinois.
The flight distance (direct flight from Tempe, AZ to Downers Grove, IL) is 1,425.72 mi.
1,727 mi = 1.61 kms