How far is Des Plaines, IL from Millstadt, IL?
The driving distance from Des Plaines, IL to Millstadt, IL is about 306.3 miles (493 km), with a travel time of about 05h 50m by car.
- The straight-line flight distance is about 272.8 miles (439.1 km).
- For a round trip, plan for roughly 11h 41m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 05h 50m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Village in McLean County, Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Des Plaines and Millstadt.
Turn-by-Turn Driving Directions
Step-by-step road directions between Des Plaines and Millstadt.
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1
Start on Henry Avenue
557 ft · 25 sec · Henry Avenue
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2
Turn right onto South Des Plaines River Road
1.8 mi · 3 min · South Des Plaines River Road
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3
Take the ramp slight right toward I 294 South: Indiana
2265 ft · 55 sec
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4
Merge slight left onto Tri-State Tollway
11.5 mi · 15 min · Tri-State Tollway
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5
Keep slight left to continue on Tri-State Tollway
4.8 mi · 6 min · Tri-State Tollway
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6
Keep slight right to continue on Tri-State Tollway
1.2 mi · 1 min · Tri-State Tollway
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7
Take the exit slight right toward I 55: Chicago, St. Louis
1 km · 1 min
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8
Keep slight right to continue on I 55 South: Saint Louis
2295 ft · 56 sec
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9
Merge slight left onto Adlai Stevenson Expressway
119.4 mi · 2 hr 13 min · Adlai Stevenson Expressway
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10
Keep slight right to continue on I 55 South: Saint Louis, Springfield
64.8 mi · 1 hr 10 min
-
11
Keep slight left to continue on I 55 South: Saint Louis
82 mi · 1 hr 29 min
-
12
Take the exit slight right toward I 255: Memphis, Interstate 270
1386 ft · 34 sec
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13
Keep slight left to continue on I 255 South: Memphis
1.1 mi · 2 min
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14
Merge slight left
7.4 mi · 9 min
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15
Take the exit slight right toward IL 15 East: Belleville
1767 ft · 43 sec
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16
Continue on New Missouri Avenue
1.2 mi · 1 min · New Missouri Avenue
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17
Take the exit slight right toward IL 157: Cahokia
984 ft · 27 sec
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18
Keep slight right to continue on South 88th Street
1.1 km · 1 min · South 88th Street
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19
Enter the roundabout and take exit 1 toward Old Saint Louis Road
10 m · 1 sec
-
20
Exit the rotary
1945 ft · 46 sec
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21
Turn left onto Old Missouri Avenue
2309 ft · 44 sec · Old Missouri Avenue
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22
Continue on Camp Jackson Road
152 m · 14 sec · Camp Jackson Road
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23
Turn left onto Millstadt Road
7 mi · 12 min · Millstadt Road
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24
Turn right onto West Washington Street
10 m · 1 sec · West Washington Street
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25
Arrive at your destination
0 m · 1 sec · West Washington Street
Car Route Details
A richer read on the saved driving route between Des Plaines and Millstadt.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Adlai Stevenson Expressway
Merge slight left onto Adlai Stevenson Expressway
119 mi · 02h 13m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Sunny leaving Des Plaines and Sunny near Millstadt.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Des Plaines to Millstadt?
The road trip is about 306.3 miles (493 km) and usually takes 05h 50m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
McLean is a useful midpoint, sitting about 153.2 miles from Des Plaines and 153.2 miles from Millstadt.
How much longer is the road route than the straight-line distance?
The direct path is about 272.8 miles (439.1 km), while the road route adds roughly 33.5 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 5:18 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $40.76 one way or $81.53 round trip. Estimated CO2 is about 96.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Des Plaines and Sunny near Millstadt.
Stop Ideas Near McLean
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Route 66 Original Alignment- Driveable!
City of Bloomington, Illinois
Bloomington Finance Department
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to McLean.
Lincoln
Uptown Station
Peoria, Illinois
Springfield station
Flight Path Map
This map shows the direct air route between Des Plaines and Millstadt. Straight-line distance: 272.87 mi (439.14 km).
#1 Des Plaines
The most populous city in Cook County, Illinois.
| Population | 58,179 |
| Coordinates | 42.0333600, -87.8834000 |
| Altitude | 193 |
| Country | United States |
#2 Millstadt
Village in St.
| Population | 3,821 |
| Coordinates | 38.4614400, -90.0917800 |
| Altitude | 188 |
| Country | United States |
End: Millstadt (-90.09178, 38.46144)
Estimated Travel Time
Distance: 493 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 12m |
| 40 mph (64.37 km/h) | 07h 39m |
| 50 mph (80.47 km/h) | 06h 07m |
| 60 mph (96.56 km/h) | 05h 06m |
| 70 mph (112.65 km/h) | 04h 22m |
| 80 mph (129 km/h) | 03h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $40.76 | $81.53 |
| Mid-grade | $4.25 | $45.97 | $91.95 |
| Premium | $4.65 | $50.31 | $100.62 |
| Diesel | $5.30 | $57.34 | $114.67 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Illinois · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.