Chicago to Detroit is about 289 miles (465 km) by road and 237 miles in a straight line. The drive takes around 5 hr 10 min. The distance is the same in reverse, from Detroit to Chicago.
What This Distance Means for Your Trip
At 289 miles, this is a driving distance rather than a flying one — and a train or bus is often an option too. A scheduled flight would cover only about 237 miles in the air, and once you factor in getting to the airport, checking in and clearing security, that airport time alone cancels out anything saved aloft. For a trip this length, driving is almost always the practical choice.
Want the full side-by-side on time, cost and hassle? See our drive-or-fly breakdown for Chicago to Detroit.
How we calculate these figures
Straight-line distance uses the great-circle (haversine) formula between each city's centre coordinates. Road distance applies a circuity factor of roughly 1.2–1.4× to reflect that roads are not straight. Driving time assumes typical blended speeds for a trip of this length, and flight time is the great-circle distance at about 875 km/h cruise plus around 30 minutes for taxi, climb, descent and approach. The door-to-door air estimate adds about three hours for airport access, check-in, security and boarding. Real figures vary with your exact route, traffic, weather, aircraft and connections.
Chicago to Detroit is the most-driven Midwest corridor — about 280 miles east on I-94 through Indiana and across Michigan. The highway passes through Gary, Kalamazoo, and Ann Arbor before reaching Detroit.
Ann Arbor, home of the University of Michigan, makes an excellent stop and is only 45 minutes west of Detroit — giving the route a genuine cultural waypoint.
Stops Along the Way
Michigan's craft beer capital with over 60 breweries — Bell's Brewery is the flagship, and a genuine stop for beer enthusiasts.
One of America's most vibrant college towns, with excellent restaurants, independent bookstores, and the University of Michigan campus and museums.
Meeting someone from Detroit? Find the exact halfway point between Chicago and Detroit so neither of you drives the whole way — or plan evenly-spaced rest and fuel stops along the route.
Tips for This Trip
Ann Arbor is worth 2 hours
The Zingerman's Deli and the University of Michigan campus alone make Ann Arbor a justified stop — the food scene is exceptional for a city its size.
Gary, Indiana rush-hour is the main bottleneck
I-94 through Gary and into Michigan slows badly on weekday mornings and evenings. Leave Chicago before 7am or after 8pm.
Michigan gas prices are often higher than Illinois
Fill up before crossing the state line — Michigan fuel prices typically run a few cents higher.
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Frequently Asked Questions
Detroit is about 240 miles (386 km) from Chicago in a straight line, and approximately 280 miles (450 km) by road via Interstate 94 east through Indiana and Michigan.