It is 97.9 miles according to Google Maps.
The driving distance is about 90 miles.
Midway Airport
Chicago Midway: IATA: MDW ICAO: KMDW
Driving distance between these airports is about 25 miles. The drive time is variable, however. Traffic, weather, and construction delays along the way can make this a 40 minute trip or a 90 minute trip.
Midway International Airport is located in Chicago, Illinois. It is the second largest airport in the entire state of Illinois, after Chicago O'Hare International Airport, and is the largest airport in metropolitan Chicago.
Midway Airport is in Chicago; it's about 11 miles from the heart of downtown.
Chicago Midway International Airport.
101 miles
The driving time from Chicago Midway International Airport to Chicago O'Hare International Airport is about 41 minutes.
Chicago's O'Hare International Airport.
The driving distance from Milwaukee, WI, USA to Midway Airport, Blackfoot, ID 83221, USA is 1552.73mi / 2498.88km