Des Plaines, IL to Williamsville, IL is 189.2 miles and takes about 3h 36m via Adlai Stevenson Expressway and I 55, with a fuel budget near $30 and enough daylight to finish in a day. This drive stays within Illinois, traversing the Midwest region for its entirety. You'll spend most of your time on major highways, making for a straightforward trip. It's a good option for a quick, no-fuss drive if you need to get from the Chicago area down toward central Illinois.
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
94.6 miles from Des Plaines, IL
A natural place for your longest stop of the day
, about 1h 51m into the drive
.
Step-by-step road directions between Des Plaines, IL and Williamsville, IL.
1
Start on Henry Avenue
0.1 mi·25 sec·Henry Avenue
2
Turn right onto South Des Plaines River Road
1.8 mi·3 min·South Des Plaines River Road
Use the left lane.
3
Take the ramp
0.4 mi·55 sec
Toward I 294 South: Indiana
4
Merge onto I 294
11 mi·14 min·Tri-State Tollway
Use the straight / slight right lanes.
5
Keep slight left at fork onto I 294
4.8 mi·5 min·Tri-State Tollway
6
Keep slight right at fork onto I 294
1.2 mi·1 min·Tri-State Tollway
Use the straight / slight right lanes.
7
Take the exit
0.6 mi·1 min
Exit 23Toward I 55: Chicago, St. Louis
8
Keep slight right at fork
0.4 mi·56 sec
Toward I 55 South: Saint LouisUse the slight right lane.
9
Merge onto I 55
119 mi·2 hr 13 min·Adlai Stevenson Expressway
Use the straight / slight right lanes.
10
Keep slight right at fork onto I 55
48 mi·51 min·I 55
Toward I 55 South: Saint Louis, SpringfieldUse the straight / slight right lanes.
11
Take the exit
0.3 mi·40 sec
Toward IL 123: Williamsville
12
Keep slight left at fork
365 ft·11 sec
Toward IL 123: Williamsville
13
Turn slight left onto IL 123
0.5 mi·1 min·County Highway 2
14
Continue on West Main Street
0.2 mi·40 sec·West Main Street
15
Continue on West Main Street
200 ft·14 sec·West Main Street
16
Arrive at destination
West Main Street
Trip Plan
For this 3-and-a-half-hour drive, departing in the morning is recommended to maximize daylight and allow for any unforeseen delays. Since it's a single-day trip, you have flexibility, but consider a brief stop around the halfway point for a stretch. The fuel cost is estimated at $30, so ensure your tank is sufficiently full before you begin, especially since 89% of the route is highway. Keep an eye out for the transition from more urban highway environments to the open road as you head south.
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 94.6 miles from Des Plaines, IL, or about 1h 51m into the drive.
The longest continuous stretch on this route runs about 119.4 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 42 miles or 52m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 94.6 miles or 1h 51m 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 58m
Traffic, exits, and arrival timing usually matter more near Williamsville, IL than in the middle of the route.
Before You Leave
+
Open the route before leaving Des Plaines, 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 Des Plaines, IL
This is one driving day of about 189.2 miles and 3h 36m.
Your first comfortable stop window is around 42 miles from Des Plaines, 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 Adlai Stevenson Expressway for about 119.4 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 12
5 decision points cluster between mile 0.1 and 140.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
5
0.1 mi into trip|~0m in|South Des Plaines River Road
Turn right onto South Des Plaines River Road
Lane positioning matters here
Use the left lane.
6
18.6 mi into trip|~25m in|I 294 / Tri-State Tollway
Keep slight right at fork onto I 294 / Tri-State Tollway
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
6
19.8 mi into trip|~26m in
Take the exit toward I 55: Chicago, St. Louis
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 23
Toward I 55: Chicago, St. Louis
7
20.5 mi into trip|~28m in
Keep slight right at fork toward I 55 South: Saint Louis
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward I 55 South: Saint Louis
8
140.3 mi into trip|~2h 42m in|I 55
Keep slight right at fork onto I 55 toward I 55 South: Saint Louis, Springfield
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the straight / slight right lanes.
Toward I 55 South: Saint Louis, Springfield
Fuel & Cost
Regular Gas
$29.58 one way
$59.16 round trip
$3.97/gal25.4 MPG avg66 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.36
$32.48
$64.95
premium
$4.89
$36.41
$72.82
diesel
$5.61
$41.77
$83.55
Estimated Tolls: $1.05
Tri-state Tollway
(17.5 mi)$1.05
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Estimated Trip Cost (one way, 1 person)
Fuel
$30
Tolls
$1
Meals
$25–$50
Total
$56–$81
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 66.2 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $20 in charging
· 0 stops
· 67% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
56.8
0
$19.87
$9.08
Efficient EV
47.3
0
$16.56
$7.57
EV Truck/SUV
75.7
0
$26.49
$12.11
Gas CO2
66 kg
EV CO2
22 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 20, 2026
Origin
Des Plaines, IL
Late night
in Des Plaines on Tuesday
Local time
3:10 AM
CDT
Current temp
62°F
Unavailable
Live forecast
Destination
Williamsville, IL
Late night
in Williamsville on Tuesday
Local time
3:10 AM
CDT
Current temp
70°F
Unavailable
Live forecast
67°F
Reading, IL
95 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
8 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 36m 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.
More Details
What kind of drive is this?
This route is predominantly highway driving, with 89% of the 189.2 miles on major roads like the Adlai Stevenson Expressway and I 55. You'll encounter the longest continuous stretch of highway at 119.4 miles on the Adlai Stevenson Expressway. Expect a high number of exits and interchanges for much of the drive, typical of urban and suburban highway systems, before transitioning to more open highway cruising.
89% highway — fuel and pacing are the main things to plan.
16 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 119.4 mi on Adlai Stevenson Expressway.
How Hard Is This Drive?
8/10
This is a straightforward highway drive that stays mostly on Adlai Stevenson Expressway and I 55. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.1 miles in near South Des Plaines River Road.
Driving Effort8/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 12 significant decision points across 189.2 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 0.1 miles (South Des Plaines River Road): Lane positioning matters here; at 18.6 miles (I 294 / Tri-State Tollway): Highway fork - watch signs carefully. Lane positioning matters here; at 19.8 miles: Exit ramp - move to the correct lane early. 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 Des Plaines, IL and Williamsville, IL, road signs point toward St. Louis and Springfield.
Des Plaines is in Chicagoland. It is an inner-ring, northwest suburb of Chicago with two distinct portions: a suburban northern portion reminiscient of other, nearby northwest suburbs (including Niles, Park Ridge, and Mount Prospect), as well as a built-up southern portion with the businesses, hotels, and other amenities of the O'Hare Airport corridor (much like Rosemont, Chicago's O'Hare neighborhood, and Elk Grove Village).
Top landmarks
•McDonald's #1 Store Museum — former McDonald's spot
Doable as a same-day drive at 3h 36m. Total distance: 189.2 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 36m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (89%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 119.4 miles on Adlai Stevenson Expressway. The full list of main roads is in the Roads section above.
Expect about $1.05 in tolls one way, starting with Tri-state Tollway. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.
Yes — we found about 22 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 Williamsville, 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 22 rest areas along the route for bathroom stops.
The main spots that need attention: at 0.1 miles (South Des Plaines River Road): Lane positioning matters here; at 18.6 miles (I 294 / Tri-State Tollway): Highway fork - watch signs carefully. Lane positioning matters here; at 19.8 miles: Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one.
Possible but tiring. At 3.6 hours each way, an in-and-out day trip would put you behind the wheel for 7.2 hours — manageable with a long break at Williamsville, IL, but most travelers stay overnight.
