How far is Cahokia, IL from Belleville, IL?
The driving distance from Cahokia, IL to Belleville, IL is about 16.8 miles (27 km), with a travel time of about 00h 24m by car.
- The straight-line flight distance is about 11.7 miles (18.8 km).
- For a round trip, plan for roughly 00h 48m 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 24m.
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.
Sunny
Driving Route Map
The map below follows the saved road route between Cahokia and Belleville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Cahokia and Belleville.
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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
751 ft · 14 sec · Mississippi Avenue
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3
Turn right onto Camp Jackson Road
2.1 mi · 4 min · Camp Jackson Road
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4
Take the ramp slight right toward I 255 North, US 50 East: Chicago
1593 ft · 39 sec
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5
Merge slight left
3.4 mi · 4 min
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6
Take the exit slight right toward IL 15 East: Belleville
2578 ft · 1 min
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7
Merge slight left onto New Missouri Avenue
7.5 mi · 9 min · New Missouri Avenue
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8
Take the exit slight right
702 ft · 17 sec
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9
Enter the roundabout and take exit 4 toward Centreville Avenue
69 m · 5 sec · Centreville Avenue
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10
Exit the roundabout onto Centreville Avenue
126 m · 8 sec · Centreville Avenue
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11
Enter the roundabout and take exit 2 toward Centreville Avenue
54 m · 4 sec · Centreville Avenue
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12
Exit the roundabout onto Centreville Avenue
1.1 km · 1 min · Centreville Avenue
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13
Turn right onto West Washington Street
2291 ft · 55 sec · West Washington Street
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14
Turn left onto South Illinois Street
91 m · 6 sec · South Illinois Street
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15
Enter the roundabout and take exit 2 toward Illinois Street
54 m · 4 sec · North Illinois Street
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16
Exit the rotary onto North Illinois Street
2265 ft · 48 sec · North Illinois Street
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17
Turn right onto East F Street
18 m · 3 sec · East F Street
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18
Arrive at your destination
0 m · 1 sec · East F Street
Car Route Details
A richer read on the saved driving route between Cahokia and Belleville.
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.
New Missouri Avenue
Merge slight left onto New Missouri Avenue
7.48 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.
Sunny leaving Cahokia and Sunny near Belleville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Cahokia to Belleville?
The road trip is about 16.8 miles (27 km) and usually takes 00h 24m 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 Cahokia and 8.9 miles from Belleville.
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 5.1 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 7:42 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.22 one way or $4.45 round trip. Estimated CO2 is about 5.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Cahokia and Sunny near Belleville.
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 Cahokia and Belleville. Straight-line distance: 11.68 mi (18.8 km).
#1 Cahokia
Village in St.
| Population | 13,742 |
| Coordinates | 38.5708800, -90.1901100 |
| Altitude | 124 |
| Country | United States |
#2 Belleville
The county seat of St.
| Population | 40,536 |
| Coordinates | 38.5200500, -89.9839900 |
| Altitude | 157 |
| Country | United States |
End: East F Street (-89.983993, 38.519971)
Estimated Travel Time
Distance: 27 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 33m |
| 40 mph (64.37 km/h) | 00h 25m |
| 50 mph (80.47 km/h) | 00h 20m |
| 60 mph (96.56 km/h) | 00h 16m |
| 70 mph (112.65 km/h) | 00h 14m |
| 80 mph (129 km/h) | 00h 12m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $2.22 | $4.45 |
| Mid-grade | $4.25 | $2.51 | $5.02 |
| Premium | $4.65 | $2.75 | $5.49 |
| Diesel | $5.30 | $3.13 | $6.26 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.