How far is Elk Grove, IL from Cahokia, IL?
The driving distance from Elk Grove, IL to Cahokia, IL is about 296.8 miles (477.6 km), with a travel time of about 05h 39m by car.
- The straight-line flight distance is about 265.4 miles (427.1 km).
- For a round trip, plan for roughly 11h 19m 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 39m.
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.
Showers And Thunderstorms Likely
Mostly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Elk Grove and Cahokia.
Turn-by-Turn Driving Directions
Step-by-step road directions between Elk Grove and Cahokia.
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1
Start on South Elmhurst Road
1.5 km · 2 min · South Elmhurst Road
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2
Turn right onto Devon Avenue
1.6 km · 2 min · Devon Avenue
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3
Turn left onto Busse Road
2.1 mi · 4 min · Busse Road
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4
Continue on Kingery Highway
2 mi · 3 min · Kingery Highway
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5
Continue on Robert Kingery Highway
1.9 mi · 3 min · Robert Kingery Highway
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6
Continue on Kingery Highway
11.3 mi · 18 min · Kingery Highway
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7
Take the exit slight right toward I 55 South: Joliet
2800 ft · 1 min
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8
Merge slight left onto Adlai Stevenson Expressway
116.9 mi · 2 hr 10 min · Adlai Stevenson Expressway
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9
Keep slight right to continue on I 55 South: Saint Louis, Springfield
64.8 mi · 1 hr 10 min
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10
Keep slight left to continue on I 55 South: Saint Louis
89.3 mi · 1 hr 37 min
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11
Keep slight left to continue on I 55 South, I 64, IL 3, US 40 West: Louisville, Saint Louis
1.1 km · 1 min
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12
Merge slight left
1 mi · 2 min
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13
Keep slight right to continue on IL 3 South: Cahokia
2632 ft · 32 sec
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14
Take the exit slight right toward IL 3 South: Cahokia Heights, Great River Road South
3.6 mi · 6 min
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15
Turn right onto West 1st Street
29 m · 4 sec · West 1st Street
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16
Arrive at your destination
0 m · 1 sec · West 1st Street
Car Route Details
A richer read on the saved driving route between Elk Grove and Cahokia.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Adlai Stevenson Expressway
Merge slight left onto Adlai Stevenson Expressway
117 mi · 02h 10m
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.
Showers And Thunderstorms Likely leaving Elk Grove and Mostly Sunny then Slight Chance Showers And Thunderstorms near Cahokia.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Elk Grove to Cahokia?
The road trip is about 296.8 miles (477.6 km) and usually takes 05h 39m 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 148.4 miles from Elk Grove and 148.3 miles from Cahokia.
How much longer is the road route than the straight-line distance?
The direct path is about 265.4 miles (427.1 km), while the road route adds roughly 31.4 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 5:40 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $39.48 one way or $78.96 round trip. Estimated CO2 is about 93 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Elk Grove and Mostly Sunny then Slight Chance Showers And Thunderstorms near Cahokia.
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 Elk Grove and Cahokia. Straight-line distance: 265.36 mi (427.06 km).
#1 Elk Grove
Township in Cook County, Illinois
| Population | 31,831 |
| Coordinates | 42.0072500, -87.9403400 |
| Altitude | 204 |
| Country | United States |
#2 Cahokia
Village in St.
| Population | 13,742 |
| Coordinates | 38.5708800, -90.1901100 |
| Altitude | 124 |
| Country | United States |
End: Cahokia (-90.19011, 38.57088)
Estimated Travel Time
Distance: 478 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 53m |
| 40 mph (64.37 km/h) | 07h 25m |
| 50 mph (80.47 km/h) | 05h 56m |
| 60 mph (96.56 km/h) | 04h 56m |
| 70 mph (112.65 km/h) | 04h 14m |
| 80 mph (129 km/h) | 03h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $39.48 | $78.96 |
| Mid-grade | $4.25 | $44.53 | $89.06 |
| Premium | $4.65 | $48.73 | $97.45 |
| Diesel | $5.30 | $55.53 | $111.07 |
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 15, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.