Traveling from Des Plaines to Mount Sterling covers 255.8 miles of Illinois landscape, typically taking about 5 hours and 18 minutes to complete. Because this journey stays entirely within the Midwest, you will experience a consistent regional feel as you transition from the Chicago suburbs toward the western part of the state. It is a manageable one-day trip, requiring only a single planned stop to keep you refreshed behind the wheel. Budgeting approximately $39 for fuel should comfortably cover your gas needs for the duration of the drive. Whether you are heading out for business or a visit, this route offers a straightforward path that avoids the complexity of multi-day travel.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
127.9 miles from Des Plaines, IL
A natural place for your longest stop of the day
, about 2h 28m into the drive
.
Step-by-step road directions between Des Plaines, IL and Mount Sterling, 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
113 mi·2 hr 6 min·Adlai Stevenson Expressway
Use the straight / slight right lanes.
10
Take the exit
0.5 mi·49 sec
Toward I 74 West: PeoriaUse the slight right lane.
11
Continue on I 74
27 mi·29 min·I 74
12
Keep slight left at fork onto I 474
7.9 mi·8 min·I 474
Exit 99Toward I 474 West: Moline, Rock Island
13
Take the exit onto US 24
20 mi·24 min·US 24
Exit 6AToward US 24 West: Bartonville
14
Turn left
126 ft·4 sec
15
Continue on US 24
0.2 mi·17 sec·West Valley View Drive
16
Continue on US 24
17 mi·25 min·United States Highway 24
17
Turn left onto US 24; IL 100
4.6 mi·6 min·South Main Street
18
Continue on US 24; US 136; IL 100
28 mi·42 min·US 24; US 136; IL 100
19
Turn right onto US 24
16 mi·24 min·West Clinton Street
20
Turn right
350 ft·20 sec
21
Turn left onto East North Street
49 ft·4 sec·East North Street
22
Turn right onto East Court Street
341 ft·17 sec·East Court Street
23
Turn right onto East Washington Street
6 ft·0 sec·East Washington Street
24
Arrive at destination
East Washington Street
Trip Plan
To make the most of your 5-hour and 18-minute trek, aim to leave early in the morning to beat the peak traffic congestion near your starting point in Des Plaines. Since this is a turn-heavy route, having a reliable navigation system active will be essential to avoid missed turns on those local roads. Plan your single required stop for roughly the halfway mark to stretch your legs and refuel your vehicle without feeling rushed. Keep the $39 fuel estimate in mind, but consider carrying a bit of extra cash for local convenience stores if you find yourself off the main thoroughfares. Staying flexible with your departure time remains your biggest advantage on a trip of this length.
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 127.9 miles from Des Plaines, IL, or about 2h 28m into the drive.
The longest continuous stretch on this route runs about 113 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 56 miles or 1h 8m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 127.9 miles or 2h 28m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 4h 9m
Traffic, exits, and arrival timing usually matter more near Mount Sterling, 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 255.8 miles and 5h 18m.
Your first comfortable stop window is around 56 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 113 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 18
5 decision points cluster between mile 18.6 and 161.9 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
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
6
133.9 mi into trip|~2h 35m in
Take the exit toward I 74 West: Peoria
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Toward I 74 West: Peoria
7
161.9 mi into trip|~3h 5m in|I 474
Keep slight left at fork onto I 474 toward I 474 West: Moline, Rock Island
Highway fork - watch signs carefully. Multiple destination signs - pick the right one
Exit 99
Toward I 474 West: Moline, Rock Island
Fuel & Cost
Regular Gas
$39.99 one way
$79.98 round trip
$3.97/gal25.4 MPG avg90 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.36
$43.91
$87.82
premium
$4.89
$49.23
$98.45
diesel
$5.61
$56.48
$112.95
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
$40
Tolls
$1
Meals
$25–$50
Total
$66–$91
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 89.5 kg one way.
Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $27 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
76.7
0
$26.86
$12.28
Efficient EV
64
0
$22.38
$10.23
EV Truck/SUV
102.3
1
$35.81
$16.37
Gas CO2
89 kg
EV CO2
30 kg (66% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
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
5:25 AM
CDT
Current temp
62°F
Unavailable
Live forecast
Destination
Mount Sterling, IL
Late night
in Mount Sterling on Tuesday
Local time
5:25 AM
CDT
Current temp
66°F
Unavailable
Live forecast
68°F
Peoria, IL
128 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
4 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
5h 18m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
More Details
What kind of drive is this?
Expect a turn-heavy local drive that demands your full attention rather than a mindless highway cruise. Your journey begins by navigating South Des Plaines River Road and I-294 South, utilizing the Tri-State Tollway to navigate away from the immediate metro area. Since the highway share is 0%, you should prepare for a significant amount of time on local roads rather than high-speed interstates. The route’s character shifts as you move away from the dense suburban corridors, requiring you to stay alert for frequent turns and road transitions. It is a drive that rewards a steady pace, as the road conditions fluctuate more than they would on a standard freeway trek.
83% highway — fuel and pacing are the main things to plan.
24 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 113 mi on Adlai Stevenson Expressway.
How Hard Is This Drive?
9/10
This is a straightforward highway drive that stays mostly on Adlai Stevenson Expressway and US 24. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 18.6 miles in near I 294 / Tri-State Tollway.
Driving Effort9/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 18 significant decision points across 255.8 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 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; at 20.5 miles: Highway fork - watch signs carefully. Lane positioning matters here.
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 Mount Sterling, IL, road signs point toward St. Louis and Rock Island.
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 5h 18m. Total distance: 255.8 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
5h 18m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (83%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 113 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.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
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 Mount Sterling, 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. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: 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; at 20.5 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Not recommended in a single day. At 5.3 hours each way, a round trip means 10.6 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Mount Sterling, IL before the return drive.
