Cahokia, IL to Bloomington, IL is 163.1 miles and takes about 3h 4m via I 55, with a fuel budget near $25 and enough daylight to finish in a day. This trip stays within the Midwest, specifically Illinois, making it a straightforward drive between two points in the same state. Given its primarily highway profile and relatively short duration, this route is ideal for a single-day excursion. You'll be covering a good portion of the distance on a major interstate, which generally means consistent speeds and fewer traffic lights.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
81.6 miles from Cahokia, IL
A natural place for your longest stop of the day
, about 1h 32m into the drive
.
Main Roads
Road
Distance
Duration
I 55
153.4 mi
2h 47m
Mississippi Avenue
3.1 mi
5m
South Veterans Parkway
2.5 mi
3m
IL 3
2.1 mi
3m
South Main Street
1.3 mi
3m
South East Street
0.5 mi
1m
West 1st Street
<0.1 mi
<1m
North East Street
—
—
Some road-level metrics are being recalculated.
Longest stretch:
I 55
— 153.4 mi, about 2h 47m
Traffic on I-55
Hour-of-day weekday pattern from 12 FHWA count stations on your route.
Peak
4 PM
~1,843 veh/hr typical
· worst 2,269
Quietest
2 AM
~164 veh/hr
Peak-to-quiet ratio
11.2×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 52 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between Cahokia, IL and Bloomington, IL.
1
Start on West 1st Street
94 ft·5 sec·West 1st Street
2
Turn slight left onto IL 3
3.1 mi·5 min·Mississippi Avenue
3
Keep slight right at fork onto IL 3
2.1 mi·3 min·IL 3
Toward I 64 East, I 55 North, IL 3: Chicago, Indianapolis, Great River RoadUse the slight right lane.
4
Keep slight left at fork onto I 55; US 40
0.6 mi·53 sec·I 55; US 40
Toward I 55 North: Chicago, IndianapolisUse the slight left lane.
5
Merge onto I 55; I 70; US 40
16 mi·18 min·I 55; I 70; US 40
Use the straight / slight right lanes.
6
Keep slight left at fork onto I 55
108 mi·1 hr 56 min·I 55
Toward I 55 North, I 270 West: Chicago, Springfield, Kansas City
7
Keep slight right at fork onto I 55
29 mi·31 min·I 55
Toward I 55 North: ChicagoUse the straight / slight right lanes.
8
Keep slight right at fork onto I 55 Business
0.3 mi·20 sec·South Veterans Parkway
Exit 157A; 157BToward I 55 Business North, I 74 East: Indianapolis
9
Continue on I 55 Business
2.1 mi·3 min·South Veterans Parkway
Exit 157BToward I 55 Business NorthUse the left / straight lanes.
10
Take the exit
0.3 mi·40 sec
Toward US 51 Business
11
Turn left onto US 51 Business
1.3 mi·3 min·South Main Street
Use the straight lane.
12
Continue on US 51 Business
0.5 mi·1 min·South East Street
Use the straight / left lanes.
13
Arrive at destination
US 51 Business
Trip Plan
For this 3-hour drive, departing in the morning will give you plenty of daylight to reach Bloomington. With only 163.1 miles and an estimated fuel cost of $25, you have flexibility with your schedule and can make a single stop for fuel or a quick break if needed. The longest continuous stretch is over 150 miles on I 55, so ensure you're comfortable with highway driving for that duration. Keep an eye on your fuel gauge as you approach your destination, especially as you transition off the interstate.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 81.6 miles from Cahokia, IL, or about 1h 32m into the drive.
The longest continuous stretch on this route runs about 153.4 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 36 miles or 43m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 81.6 miles or 1h 32m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 29m
Traffic, exits, and arrival timing usually matter more near Bloomington, IL than in the middle of the route.
Before You Leave
+
Open the route before leaving Cahokia, 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 Cahokia, IL
This is one driving day of about 163.1 miles and 3h 4m.
Your first comfortable stop window is around 36 miles from Cahokia, IL.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 55 for about 153.4 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 9
5 decision points cluster between mile 3.1 and 158.6 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
3.1 mi into trip|~5m in|IL 3
Keep slight right at fork onto IL 3 toward I 64 East, I 55 North, IL 3: Chicago, Indianapolis, Great River Road
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward I 64 East, I 55 North, IL 3: Chicago, In...
8
5.2 mi into trip|~8m in|I 55; US 40
Keep slight left at fork onto I 55; US 40 toward I 55 North: Chicago, Indianapolis
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight left lane.
Toward I 55 North: Chicago, Indianapolis
6
21.4 mi into trip|~27m in|I 55
Keep slight left at fork onto I 55 toward I 55 North, I 270 West: Chicago, Springfield, Kansas City
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Toward I 55 North, I 270 West: Chicago, Springf...
7
129.2 mi into trip|~2h 24m in|I 55
Keep slight right at fork onto I 55 toward I 55 North: Chicago
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward I 55 North: Chicago
7
158.6 mi into trip|~2h 55m in|I 55 Business / South Veterans Parkway
Keep slight right at fork onto I 55 Business / South Veterans Parkway toward I 55 Business North, I 74 East: Indianapolis
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Exit 157A; 157B
Toward I 55 Business North, I 74 East: Indianap...
Fuel & Cost
Regular Gas
$24.88 one way
$49.76 round trip
$3.88/gal25.4 MPG avg57 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.27
$27.41
$54.81
premium
$4.81
$30.86
$61.72
diesel
$5.40
$34.69
$69.39
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$25
Meals
$25–$50
Total
$50–$75
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 57.1 kg one way.
Prices: EIA weekly data, 2026-04-20.
Driving Electric?
About $17 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
48.9
0
$17.13
$7.83
Efficient EV
40.8
0
$14.27
$6.52
EV Truck/SUV
65.2
0
$22.83
$10.44
Gas CO2
57 kg
EV CO2
19 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.
Forecast as of Apr 25, 2026
Origin
Cahokia, IL
Night
in Cahokia on Saturday
Local time
11:55 PM
CDT
Current temp
66°F
Unavailable
Live forecast
Destination
Bloomington, IL
Night
in Bloomington on Saturday
Local time
11:55 PM
CDT
Current temp
73°F
Sunny
NE 8 to 12 mph0% chanceLive forecast
63°F
Grandview, IL
82 mi in
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
7 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
3h 4m on the road
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Springfield 1908 Race Riot National Monument
National Monument
In August 1908, a large White mob attacked the Black community in Springfield, Illinois. Rioters destroyed homes and businesses and lynched two men. The event led to the founding of the National Assoc...
3 mi from route
~7 min detour
Free
near mile 101.2
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This drive is predominantly on the highway, with 97% of the 163.1 miles covered on major roads like I 55. You'll experience a longest stretch of 153.4 miles on I 55, meaning extended periods of consistent cruising. The transition to surface roads happens late in the trip, with Mississippi Avenue and South Veterans Parkway making up the final miles as you approach Bloomington. Expect frequent exits on the interstate portion.
97% highway — fuel and pacing are the main things to plan.
13 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 153.4 mi on I 55.
How Hard Is This Drive?
7/10
This is a straightforward highway drive that stays mostly on I 55 and Mississippi Avenue. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 3.1 miles in near IL 3.
Driving Effort7/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 9 significant decision points across 163.1 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 3.1 miles (IL 3): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 5.2 miles (I 55; US 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 21.4 miles (I 55): Highway fork - watch signs carefully. Multiple destination signs - pick the right one.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Cahokia, IL and Bloomington, IL, road signs point toward Springfield and Kansas City.
Bloomington, pop. 77,000 (2010 census), is a city in the Midwestern state of Illinois in the United States of America, on the classic Route 66 highway across the country. With neighboring Normal, pop. 52,000 (2010 census), it forms a combined community of about 130,000 known locally as the Twin Cities. Illinois Wesleyan University is in Bloomington, and is not to be confused with Illinois State University in Normal.
Top landmarks
•David Davis Mansion — house museum in Bloomington, Illinois
•Bloomington Central Business District — historic and central business district in Bloomington, McLean County, Illinois,...
•George H. Miller House — Bloomington, Illinois, listed on the National Register of Historic Places
Doable as a same-day drive at 3h 4m. Total distance: 163.1 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 4m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (97%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 153.4 miles on I 55. The full list of main roads is in the Roads section above.
Yes — we found about 21 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Bloomington, IL before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. There are 21 rest areas along the route for bathroom stops.
The main spots that need attention: at 3.1 miles (IL 3): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 5.2 miles (I 55; US 40): Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one; at 21.4 miles (I 55): Highway fork - watch signs carefully. Multiple destination signs - pick the right one.
Yes — Springfield 1908 Race Riot National Monument. See the National Parks section for detour distances and tips on detours.
Possible but tiring. At 3.1 hours each way, an in-and-out day trip would put you behind the wheel for 6.2 hours — manageable with a long break at Bloomington, IL, but most travelers stay overnight.
