How far is Des Plaines, IL from Saint Elmo, IL?
The driving distance from Des Plaines, IL to Saint Elmo, IL is about 243.7 miles (392.2 km), with a travel time of about 04h 36m by car.
- The straight-line flight distance is about 213.8 miles (344.1 km).
- For a round trip, plan for roughly 09h 13m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CST.
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 04h 36m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Ford County, Illinois
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 Saint Elmo.
Turn-by-Turn Driving Directions
Step-by-step road directions between Des Plaines and Saint Elmo.
-
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
3.5 mi · 4 min · Tri-State Tollway
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7
Continue on Mile-Long Bridge
1.5 km · 1 min · Mile-Long Bridge
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8
Continue on Tri-State Tollway
8.5 mi · 11 min · Tri-State Tollway
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9
Take the exit slight right toward IL 50 South, IL 83: Cicero Avenue, 127th Street
1162 ft · 28 sec
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10
Keep slight left to continue on IL 50 South: Cicero Avenue
2529 ft · 1 min
-
11
Turn straight onto Cicero Avenue
4.9 mi · 8 min · Cicero Avenue
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12
Turn left onto 167th Street
855 ft · 26 sec · 167th Street
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13
Take the ramp slight right toward I 57 South: Kankakee, I-80
3048 ft · 1 min
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14
Merge slight left
188.4 mi · 3 hr 24 min
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15
Keep slight right to continue on I 70 West: Saint Louis
15.8 mi · 17 min
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16
Take the exit slight right toward St Elmo
1133 ft · 19 sec
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17
Turn right onto Interstate Drive
2974 ft · 1 min · Interstate Drive
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18
At the end of the road, turn right onto East Cumberland Road
2671 ft · 56 sec · East Cumberland Road
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19
Turn left onto South Main Street
1254 ft · 57 sec · South Main Street
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20
Turn right onto East 4th Street
44 m · 6 sec · East 4th Street
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21
Arrive at your destination
0 m · 1 sec · East 4th Street
Car Route Details
A richer read on the saved driving route between Des Plaines and Saint Elmo.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 57 South
Merge slight left
188 mi · 03h 24m
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 Saint Elmo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Des Plaines to Saint Elmo?
The road trip is about 243.7 miles (392.2 km) and usually takes 04h 36m 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?
Paxton is a useful midpoint, sitting about 121.9 miles from Des Plaines and 121.8 miles from Saint Elmo.
How much longer is the road route than the straight-line distance?
The direct path is about 213.8 miles (344.1 km), while the road route adds roughly 29.9 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 CST. If you want a more comfortable same-day return, try to leave by 7:46 AM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $39.62 one way or $79.24 round trip. Estimated CO2 is about 76.4 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Des Plaines and Sunny near Saint Elmo.
Stop Ideas Near Paxton
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Paxton.
Rantoul
Gilman
Illinois Terminal
Danville, Illinois
Flight Path Map
This map shows the direct air route between Des Plaines and Saint Elmo. Straight-line distance: 213.78 mi (344.05 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 Saint Elmo
City in Illinois
| Population | 1,367 |
| Coordinates | 39.0272700, -88.8481100 |
| Altitude | 189 |
| Country | United States |
End: Saint Elmo (-88.84811, 39.02727)
Estimated Travel Time
Distance: 392 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 07m |
| 40 mph (64.37 km/h) | 06h 05m |
| 50 mph (80.47 km/h) | 04h 52m |
| 60 mph (96.56 km/h) | 04h 03m |
| 70 mph (112.65 km/h) | 03h 28m |
| 80 mph (129 km/h) | 03h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.61 | $39.62 | $79.24 |
| Mid-grade | $5.24 | $45.06 | $90.13 |
| Premium | $5.79 | $49.83 | $99.66 |
| Diesel | $6.59 | $56.69 | $113.38 |
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 · Nov 06, 2026