How far is Bloomington, IL from Cahokia, IL?
The driving distance from Bloomington, IL to Cahokia, IL is about 163.5 miles (263.1 km), with a travel time of about 03h 05m by car.
- The straight-line flight distance is about 146.8 miles (236.2 km).
- For a round trip, plan for roughly 06h 11m 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 03h 05m.
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.
City in Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Bloomington and Cahokia.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bloomington and Cahokia.
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1
Start on North East Street
42 m · 6 sec · North East Street
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2
Continue on North Main Street
121 m · 17 sec · North Main Street
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3
Turn left onto West Chestnut Street
83 m · 19 sec · West Chestnut Street
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4
Turn left onto North Center Street
120 m · 13 sec · North Center Street
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5
Continue on North Madison Street
858 ft · 29 sec · North Madison Street
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6
Turn right onto West Market Street
2903 ft · 1 min · West Market Street
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7
Turn left onto North Morris Avenue
1.7 mi · 4 min · North Morris Avenue
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8
Turn right onto South Veterans Parkway
65.7 mi · 1 hr 12 min · South Veterans Parkway
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9
Keep slight left to continue on I 55 South: Saint Louis
89.3 mi · 1 hr 37 min
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10
Keep slight left to continue on I 55 South, I 64, IL 3, US 40 West: Louisville, Saint Louis
1.1 km · 1 min
-
11
Merge slight left
1 mi · 2 min
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12
Keep slight right to continue on IL 3 South: Cahokia
2632 ft · 32 sec
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13
Take the exit slight right toward IL 3 South: Cahokia Heights, Great River Road South
3.6 mi · 6 min
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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 Bloomington 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.
I 55 South
Keep slight left to continue on I 55 South: Saint Louis
89.3 mi · 01h 37m
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.
Slight Chance Showers And Thunderstorms then Mostly Sunny leaving Bloomington and Sunny near Cahokia.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bloomington to Cahokia?
The road trip is about 163.5 miles (263.1 km) and usually takes 03h 05m 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?
Divernon is a useful midpoint, sitting about 81.8 miles from Bloomington and 81.7 miles from Cahokia.
How much longer is the road route than the straight-line distance?
The direct path is about 146.8 miles (236.2 km), while the road route adds roughly 16.7 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 10:48 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.76 one way or $43.52 round trip. Estimated CO2 is about 51.3 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms then Mostly Sunny around Bloomington and Sunny near Cahokia.
Stop Ideas Near Divernon
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 Divernon.
Springfield station
Carlinville
Lincoln
Alton
Flight Path Map
This map shows the direct air route between Bloomington and Cahokia. Straight-line distance: 146.77 mi (236.2 km).
#1 Bloomington
The second most populous city in McLean County, Illinois.
| Population | 77,132 |
| Coordinates | 40.4842000, -88.9936900 |
| Altitude | 243 |
| 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: 263 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 26m |
| 40 mph (64.37 km/h) | 04h 05m |
| 50 mph (80.47 km/h) | 03h 16m |
| 60 mph (96.56 km/h) | 02h 43m |
| 70 mph (112.65 km/h) | 02h 20m |
| 80 mph (129 km/h) | 02h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $21.76 | $43.52 |
| Mid-grade | $4.25 | $24.54 | $49.08 |
| Premium | $4.65 | $26.85 | $53.71 |
| Diesel | $5.30 | $30.60 | $61.21 |
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.