How far is Cahokia, IL from Elk Grove, IL?
The driving distance from Cahokia, IL to Elk Grove, IL is about 304.8 miles (490.5 km), with a travel time of about 04h 31m by car.
- The straight-line flight distance is about 265.4 miles (427.1 km).
- For a round trip, plan for roughly 09h 03m 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 04h 31m.
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 then Slight Chance Showers And Thunderstorms
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Cahokia and Elk Grove.
Turn-by-Turn Driving Directions
Step-by-step road directions between Cahokia and Elk Grove.
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1
Start on West 1st Street
29 m · 5 sec · West 1st Street
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2
Turn slight left onto Mississippi Avenue
3.1 mi · 5 min · Mississippi Avenue
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3
Keep slight right to continue on I 64 East, I 55 North, IL 3: Chicago, Indianapolis, Great River Road
2.1 mi · 3 min
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4
Keep slight left to continue on I 55 North: Chicago, Indianapolis
3128 ft · 54 sec
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5
Merge slight right
15.5 mi · 18 min
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6
Keep slight left to continue on I 55 North, I 270 West: Chicago, Springfield, Kansas City
107.9 mi · 1 hr 57 min
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7
Keep slight right to continue on I 55 North: Chicago
29.4 mi · 31 min
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8
Keep slight left to continue on I 55 North, I 74 West: Chicago, Peoria
118.1 mi · 2 hr 11 min
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9
Take the exit slight right toward IL 83: Kingery Road
1051 ft · 26 sec
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10
Keep slight left to continue on IL 83 North: Kingery Road
1156 ft · 28 sec
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11
Keep slight right to continue on IL 83 North: Kingery Road North
1529 ft · 43 sec
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12
Continue on Kingery Highway
15.5 mi · 23 min · Kingery Highway
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13
Continue on Busse Road
3.1 mi · 5 min · Busse Road
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14
Turn right onto Touhy Avenue
1.4 km · 2 min · Touhy Avenue
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15
Turn right onto East Higgins Road
727 ft · 16 sec · East Higgins Road
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16
Turn right onto South Elmhurst Road
107 m · 7 sec · South Elmhurst Road
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17
Arrive at your destination
0 m · 1 sec · South Elmhurst Road
Car Route Details
A richer read on the saved driving route between Cahokia and Elk Grove.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
I 55 North
Keep slight left to continue on I 55 North, I 74 West: Chicago, Peoria
118 mi · 02h 11m
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 then Slight Chance Showers And Thunderstorms leaving Cahokia and Showers And Thunderstorms Likely near Elk Grove.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Cahokia to Elk Grove?
The road trip is about 304.8 miles (490.5 km) and usually takes 04h 31m 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 148.6 miles from Cahokia and 156.2 miles from Elk Grove.
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 39.4 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 7:56 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $40.54 one way or $81.08 round trip. Estimated CO2 is about 95.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Showers And Thunderstorms around Cahokia and Showers And Thunderstorms Likely near Elk Grove.
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 Cahokia and Elk Grove. Straight-line distance: 265.36 mi (427.06 km).
#1 Cahokia
Village in St.
| Population | 13,742 |
| Coordinates | 38.5708800, -90.1901100 |
| Altitude | 124 |
| Country | United States |
#2 Elk Grove
Township in Cook County, Illinois
| Population | 31,831 |
| Coordinates | 42.0072500, -87.9403400 |
| Altitude | 204 |
| Country | United States |
End: South Elmhurst Road (-87.940348, 42.00725)
Estimated Travel Time
Distance: 490 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 09m |
| 40 mph (64.37 km/h) | 07h 37m |
| 50 mph (80.47 km/h) | 06h 05m |
| 60 mph (96.56 km/h) | 05h 04m |
| 70 mph (112.65 km/h) | 04h 21m |
| 80 mph (129 km/h) | 03h 48m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $40.54 | $81.08 |
| Mid-grade | $4.25 | $45.72 | $91.44 |
| Premium | $4.65 | $50.03 | $100.06 |
| Diesel | $5.30 | $57.02 | $114.04 |
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.