How far is Belleville, IL from Cahokia, IL?
The driving distance from Belleville, IL to Cahokia, IL is about 15.8 miles (25.4 km), with a travel time of about 00h 21m by car.
- The straight-line flight distance is about 11.7 miles (18.8 km).
- For a round trip, plan for roughly 00h 43m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 21m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
City in Will County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Belleville and Cahokia.
Turn-by-Turn Driving Directions
Step-by-step road directions between Belleville and Cahokia.
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1
Start on East F Street
18 m · 10 sec · East F Street
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2
Turn left onto North Illinois Street
1969 ft · 41 sec · North Illinois Street
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3
Turn right onto West A Street
2424 ft · 56 sec · West A Street
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4
Turn left onto South 6th Street
106 m · 7 sec · South 6th Street
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5
Continue on Centreville Avenue
1.1 km · 1 min · Centreville Avenue
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6
Enter the roundabout and take exit 2 toward the route
39 m · 3 sec
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7
Exit the roundabout
1012 ft · 25 sec
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8
Merge slight left
7.8 mi · 9 min
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9
Take the exit slight right toward I 255 South
1524 ft · 37 sec
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10
Merge slight left
3.5 mi · 4 min
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11
Take the exit slight right toward IL 157: Cahokia Heights
1460 ft · 35 sec
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12
Turn right onto Camp Jackson Road
2 mi · 4 min · Camp Jackson Road
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13
At the end of the road, turn left onto Mississippi Avenue
751 ft · 13 sec · Mississippi Avenue
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14
Turn right onto West 1st Street
29 m · 4 sec · West 1st Street
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15
Arrive at your destination
0 m · 1 sec · West 1st Street
Car Route Details
A richer read on the saved driving route between Belleville and Cahokia.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Centreville Avenue
Merge slight left
7.78 mi · 00h 09m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Chance Rain Showers leaving Belleville and Chance Rain Showers near Cahokia.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Belleville to Cahokia?
The road trip is about 15.8 miles (25.4 km) and usually takes 00h 21m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Crest Hill is a useful midpoint, sitting about 7.9 miles from Belleville and 7.9 miles from Cahokia.
How much longer is the road route than the straight-line distance?
The direct path is about 11.7 miles (18.8 km), while the road route adds roughly 4.1 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:46 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.07 one way or $4.15 round trip. Estimated CO2 is about 4.9 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Belleville and Chance Rain Showers near Cahokia.
Stop Ideas Near Crest Hill
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 Crest Hill.
Gateway Transportation Center
Kirkwood
Alton
Washington
Flight Path Map
This map shows the direct air route between Belleville and Cahokia. Straight-line distance: 11.68 mi (18.8 km).
#1 Belleville
The county seat of St.
| Population | 40,536 |
| Coordinates | 38.5200500, -89.9839900 |
| Altitude | 157 |
| 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: 25 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 31m |
| 40 mph (64.37 km/h) | 00h 23m |
| 50 mph (80.47 km/h) | 00h 18m |
| 60 mph (96.56 km/h) | 00h 15m |
| 70 mph (112.65 km/h) | 00h 13m |
| 80 mph (129 km/h) | 00h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $2.07 | $4.15 |
| Mid-grade | $4.25 | $2.34 | $4.68 |
| Premium | $4.65 | $2.56 | $5.12 |
| Diesel | $5.30 | $2.92 | $5.83 |
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 11, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.