Origin
Belleville, IL
Afternoon in Belleville on Sunday
Local time
2:23 PM
CDT
Current temp
70°F
Unavailable
Live forecast
Trip from Belleville, IL to Cahokia, IL
Drive Time
21m
Distance
15.8 mi
25 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$2
one way
Belleville, IL
Mike Tyurin
Cahokia, IL
Stéphane Tendon
Trip Overview
If you are planning a quick excursion through the Illinois Midwest, the 15.8-mile journey from Belleville to Cahokia is a straightforward commute. You can easily complete this trip in about 21 minutes, making it a perfect candidate for a single-day outing. With a fuel budget of just $2, the drive is highly economical for those looking to travel between these two Illinois locations. Since the distance is so short, you certainly won't need to worry about booking an overnight stay. Expect a practical, no-frills experience that gets you from point A to point B efficiently. It is a reliable route for travelers who value simplicity and speed over a long, winding road trip.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
0 planned breaks
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
7.9 miles from Belleville, IL
A natural place for your longest stop of the day , about 10m into the drive .
Drive Character
This drive is heavily highway-focused, with 71% of your time spent on higher-speed roads. You will navigate a mix of IL 15, I-255, and Camp Jackson Road as you transition between the two cities. The longest uninterrupted stretch occurs early on, covering 7.8 miles along IL 15. While the interstate sections offer a fast pace, the transition to local roads keeps the drive feeling grounded. You should be prepared for a consistent, functional driving experience rather than a winding, scenic tour. It is a utilitarian route that keeps you moving steadily toward your destination without much variation in terrain.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 15 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
IL 15 is the longest continuous segment at about 7.8 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on IL 15 and I 255. You will hit about 10 points where you need to pay attention to lane position or signs. The trickiest moment comes early in the drive near IL 159 / North Illinois Street.
Route Complexity
5/10
Moderate - straightforward overall, but long enough or busy enough to require pacing
This drive requires moderate attention. Across 15.8 miles you will encounter 10 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: near the start (IL 159 / North Illinois Street): Navigation decision point; at 0.4 miles (West A Street): Navigation decision point; at 1.6 miles: Roundabout - know your exit number before entering.
Critical Maneuvers
5 of 10 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
4
0 mi into trip
|
~0m in
|
IL 159 / North Illinois Street
Turn left onto IL 159 / North Illinois Street
Navigation decision point
4
0.4 mi into trip
|
~0m in
|
West A Street
Turn right onto West A Street
Navigation decision point
5
1.6 mi into trip
|
~3m in
Enter roundabout
Roundabout - know your exit number before entering
5
9.9 mi into trip
|
~13m in
|
I 255; US 50
Merge onto I 255; US 50
Merge point - match speed before joining. Lane positioning matters here
Use the none lane.
5
13.3 mi into trip
|
~17m in
Take the exit toward IL 157: Cahokia Heights
Exit ramp - move to the correct lane early
Exit 13
Toward IL 157: Cahokia Heights
Main Roads
| Road | Distance | Duration |
|---|---|---|
| IL 15 | 7.8 mi | 8m |
| I 255 | 3.5 mi | 4m |
| Camp Jackson Road | 2 mi | 3m |
| Centreville Avenue | 0.7 mi | 1m |
| West A Street | 0.5 mi | <1m |
| North Illinois Street | 0.4 mi | <1m |
| Mississippi Avenue | 0.1 mi | <1m |
| South 6th Street | <0.1 mi | <1m |
Longest stretch:
IL 15
— 7.8 mi, about 8m
Turn-by-Turn Driving Directions
Step-by-step road directions between Belleville, IL and Cahokia, IL.
1
Start on East F Street
59 ft
·
10 sec
·
East F Street
2
Turn left onto IL 159
0.4 mi
·
41 sec
·
North Illinois Street
3
Turn right onto West A Street
0.5 mi
·
55 sec
·
West A Street
4
Turn left onto South 6th Street
348 ft
·
7 sec
·
South 6th Street
5
Continue on Centreville Avenue
0.7 mi
·
1 min
·
Centreville Avenue
6
Enter roundabout
128 ft
·
2 sec
7
Continue
0.2 mi
·
24 sec
8
Merge onto IL 15
7.8 mi
·
8 min
·
IL 15
9
Take the exit
0.3 mi
·
37 sec
Toward I 255 South
10
Merge onto I 255; US 50
3.5 mi
·
4 min
·
I 255; US 50
Use the none lane.
11
Take the exit
0.3 mi
·
35 sec
Exit 13
Toward IL 157: Cahokia Heights
12
Turn right onto IL 157
2.0 mi
·
3 min
·
Camp Jackson Road
13
At end of road, turn left onto IL 3
0.1 mi
·
12 sec
·
Mississippi Avenue
14
Turn right onto West 1st Street
94 ft
·
4 sec
·
West 1st Street
15
Arrive at destination
West 1st Street
Trip Plan
Since this is a quick 21-minute trip, you have plenty of flexibility regarding your departure time. You won't need to worry about planning for rest stops, as the 15.8-mile distance is short enough to drive in one go. Keep in mind that with such a high percentage of highway travel, you should stay alert when merging onto I-255. Because fuel costs are minimal at roughly $2, you can easily top off your tank before leaving Belleville without breaking your budget. Use the lack of required stops to your advantage by focusing on your arrival in Cahokia, as there are no intermediate segments that necessitate a break.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 7.9 miles from Belleville, IL, or about 10m into the drive.
The longest continuous stretch on this route runs about 7.8 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 15.8 miles or 21m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 7.9 miles or 10m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 17m
Traffic, exits, and arrival timing usually matter more near Cahokia, IL than in the middle of the route.
Before You Leave
+
Open the route before leaving Belleville, IL so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Belleville, IL
This is one driving day of about 15.8 miles and 21m.
Your first comfortable stop window is around 80 miles from Belleville, IL.
This route can stay practical as a one-day drive if traffic stays reasonable.
You may only need one short stretch stop if conditions stay smooth.
The longest stretch is on IL 15 for about 7.8 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 7.9 mi from Belleville, IL · 10m into the drive
Mid-route town
Meal stop
8 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 15.8 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 7.9 miles from Belleville, IL, which is a good place for a longer meal and fuel stop.
Arriving in Cahokia, IL
The final approach into Cahokia, IL usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Cahokia, IL.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$2.40 one way
$4.80 round trip
$3.86/gal
25.4 MPG avg
6 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.25 | $2.65 | $5.29 |
| premium | $4.80 | $2.98 | $5.97 |
| diesel | $5.64 | $3.51 | $7.02 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$2
Meals
$25–$50
Total
$27–$52
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 5.5 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $2 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 4.7 | 0 | $1.66 | $0.76 |
| Efficient EV | 4 | 0 | $1.38 | $0.63 |
| EV Truck/SUV | 6.3 | 0 | $2.21 | $1.01 |
Gas CO2
6 kg
EV CO2
2 kg (67% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Cahokia, IL
Afternoon in Cahokia on Sunday
Local time
2:23 PM
CDT
Current temp
71°F
Unavailable
Live forecast
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
1 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
21m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Belleville, IL to Cahokia, IL covers 15.8 miles and takes about 21m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are IL 15, I 255, Camp Jackson Road. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 7.9 miles from Belleville, IL. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $2.40 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This drive requires moderate attention. Across 15.8 miles you will encounter 10 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
The main spots that need attention: near the start (IL 159 / North Illinois Street): Navigation decision point; at 0.4 miles (West A Street): Navigation decision point; at 1.6 miles: Roundabout - know your exit number before entering.
The route from Belleville, IL to Cahokia, IL does not surface many named destination signs beyond the main corridor.
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