Origin
Westchester, IL
Late night in Westchester on Tuesday
Local time
4:16 AM
CDT
Current temp
64°F
Unavailable
Live forecast
Trip from Westchester, IL to Decatur, IL
Pin this tripCompiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 21, 2026 · Editorial standards
Drive Time
3h 25m
Distance
172.8 mi
278 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$27
one way
EV Charging
Unknown
Best Time to Leave
4 AM
3h 14m
★
6 AM
3h 26m
8 AM
3h 50m
10 AM
3h 34m
12 PM
3h 32m
3 PM
3h 36m
5 PM
3h 49m
8 PM
3h 19m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Westchester, IL
Wikimedia Commons
Decatur, IL
Wikimedia Commons
Trip Overview
This 172.8-mile drive from Westchester, IL, to Decatur, IL, is easily manageable as a single-day trip, taking approximately 3 hours and 25 minutes. Your estimated fuel cost will be around $27, and you'll primarily be on major highways. Given the relatively short duration and the straightforward nature of the route, you can comfortably complete this journey without needing an overnight stay. The drive stays within the Midwest region, offering a consistent feel throughout. This route is ideal if you're looking for an efficient way to get from point A to point B with minimal fuss.
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
86.4 miles from Westchester, IL
A natural place for your longest stop of the day , about 1h 41m into the drive .
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Adlai Stevenson Expressway | 119.4 mi | 2h 13m |
| North Walnut Street | 23.2 mi | 29m |
| North 1450 East Road | 14.7 mi | 17m |
| US 51 Business | 4.7 mi | 7m |
| Tri-State Tollway | 3.3 mi | 3m |
| I 74 | 2.1 mi | 2m |
| South Wolf Road | 1.9 mi | 3m |
| Cermak Road | 1 mi | 1m |
Longest stretch:
Adlai Stevenson Expressway
— 119.4 mi, about 2h 13m
Turn-by-Turn Driving Directions
Step-by-step road directions between Westchester, IL and Decatur, IL.
1
Start on this road
20 ft
·
2 sec
·
this road
2
Turn right
67 ft
·
10 sec
3
At end of road, turn right onto US 12; US 20; US 45
0.1 mi
·
29 sec
·
South Mannheim Road
4
Turn right onto Cermak Road
1.0 mi
·
1 min
·
Cermak Road
Use the right lane.
5
Turn left onto South Wolf Road
1.9 mi
·
3 min
·
South Wolf Road
Use the left lane.
6
Turn right onto US 34
0.8 mi
·
1 min
·
East Ogden Avenue
Use the right lane.
7
Take the ramp
0.2 mi
·
25 sec
Toward I 294 Toll South: Indiana
8
Merge onto I 294
2.1 mi
·
2 min
·
Tri-State Tollway
9
Keep slight right at fork onto I 294
1.2 mi
·
1 min
·
Tri-State Tollway
Use the straight / slight right lanes.
10
Take the exit
0.6 mi
·
1 min
Exit 23
Toward I 55: Chicago, St. Louis
11
Keep slight right at fork
0.4 mi
·
56 sec
Toward I 55 South: Saint Louis
Use the slight right lane.
12
Merge onto I 55
119 mi
·
2 hr 13 min
·
Adlai Stevenson Expressway
Use the straight / slight right lanes.
13
Keep slight left at fork onto I 74; US 51
2.1 mi
·
2 min
·
I 74; US 51
Toward I 74 East, US 51 South, US 55 Business North: Indianapolis, Decatur
14
Take the exit onto US 51
0.3 mi
·
39 sec
·
US 51
Exit 135
Toward US 51 South, US 51 Business North: Decatur, Bloomington
15
Continue on US 51
15 mi
·
17 min
·
North 1450 East Road
Use the straight lane.
16
Continue on US 51
23 mi
·
29 min
·
North Walnut Street
17
Turn straight onto US 51 Business
4.7 mi
·
7 min
·
US 51 Business
18
Turn left onto East Wood Street
298 ft
·
8 sec
·
East Wood Street
19
Arrive at destination
East Wood Street
Trip Plan
With a duration of under four hours, this trip offers flexibility for departure. Leaving in the morning will allow you to arrive in Decatur with ample time to settle in or start your activities. You'll likely only need one planned stop, so consider timing it around the halfway point or when you feel ready for a break. Given the longest stretch is over 100 miles, ensure you have enough fuel before embarking, as services might be less frequent on certain highway segments. Keep an eye out for transitions onto smaller roads as you near Decatur to maintain your navigation.
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 86.4 miles from Westchester, IL, or about 1h 41m 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 38 miles or 47m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 86.4 miles or 1h 41m 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 44m
Traffic, exits, and arrival timing usually matter more near Decatur, IL than in the middle of the route.
Before You Leave
+
Open the route before leaving Westchester, 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 Westchester, IL
This is one driving day of about 172.8 miles and 3h 25m.
Your first comfortable stop window is around 38 miles from Westchester, 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.
Mid-route town
Meal stop
86 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 38 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 86.4 miles from Westchester, IL, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before Adlai Stevenson Expressway if your tank is already low. That segment runs about 119.4 miles.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 145 decision points cluster between mile 0 and 8.1 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0 mi into trip
|
~0m in
|
US 12; US 20; US 45 / South Mannheim Road
At end of road, turn right onto US 12; US 20; US 45 / South Mannheim Road
Complex interchange - multiple decisions in a short stretch
6
0.2 mi into trip
|
~0m in
|
Cermak Road
Turn right onto Cermak Road
Lane positioning matters here
Use the right lane.
6
1.2 mi into trip
|
~2m in
|
South Wolf Road
Turn left onto South Wolf Road
Lane positioning matters here
Use the left lane.
6
3.1 mi into trip
|
~6m in
|
US 34 / East Ogden Avenue
Turn right onto US 34 / East Ogden Avenue
Lane positioning matters here
Use the right lane.
7
8.1 mi into trip
|
~13m 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
Fuel & Cost
Regular Gas
$27.02 one way
$54.03 round trip
$3.97/gal
25.4 MPG avg
61 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $29.66 | $59.32 |
| premium | $4.89 | $33.25 | $66.51 |
| diesel | $5.61 | $38.15 | $76.30 |
Estimated Tolls: $0.19
Tri-state Tollway
(3.3 mi)
$0.19
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
$27
Tolls
$0
Meals
$25–$50
Total
$52–$77
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 60.5 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $18 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 51.8 | 0 | $18.14 | $8.29 |
| Efficient EV | 43.2 | 0 | $15.12 | $6.91 |
| EV Truck/SUV | 69.1 | 0 | $24.19 | $11.06 |
Gas CO2
60 kg
EV CO2
20 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
Decatur, IL
Late night in Decatur on Tuesday
Local time
4:16 AM
CDT
Current temp
68°F
Unavailable
Live forecast
67°F
Reading, IL
86 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
3h 25m 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.
National Parks Near This Route
Worth a detour if your schedule allows.
Pullman National Historical Park
National Historical Park
In a growing Chicago neighborhood, diverse people and stories intertwined. All were seeking opportunity. Some succeeded. Others were limited—by race, gender, or economic status. Their stories came tog...
17 mi from route
~42 min detour
Free
near mile 6
View on nps.gov
Park data from the National Park Service API. Alerts update every 2 hours.
What kind of drive is this?
Expect a highway-focused experience for this trip, with highway driving making up 73% of the journey. You'll encounter a significant uninterrupted stretch of 119.4 miles on the Adlai Stevenson Expressway, offering a consistent pace. The route is designed for efficiency, moving you steadily through Illinois. While primarily highway, you'll transition onto local roads like North Walnut Street and North 1450 East Road as you approach your destination, offering a slight change in scenery and speed.
73% highway — fuel and pacing are the main things to plan.
19 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 North Walnut Street. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes early in the drive near US 12; US 20; US 45 / South Mannheim Road.
Driving Effort
8/10
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This is a demanding drive. With 14 significant decision points across 172.8 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: near the start (US 12; US 20; US 45 / South Mannheim Road): Complex interchange - multiple decisions in a short stretch; at 0.2 miles (Cermak Road): Lane positioning matters here; at 1.2 miles (South Wolf Road): 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.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Westchester, IL to Decatur, IL, road signs begin pointing toward Bloomington along the way.
Bloomington
130 mi in
|
~2h 30m
|
via US 51
About the Cities
Arriving in Decatur, IL
Full guide →Founded 1823
Decatur is a city in Macon county, Illinois. There are many examples of Frank Lloyd Wright's influence on the Prairie Style Architecture in Decatur.
Top landmarks
- • Decatur Downtown Historic District — historic district in Decatur, Illinois
- • Decatur Historic District — historic district in Decatur, Illinois
- • Wabash Railroad Station and Railway Express Agency — railway station in Decatur, Illinois, United States
City content from Wikivoyage (CC BY-SA 4.0) and Wikidata (CC0).
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 3h 25m. Total distance: 172.8 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
3h 25m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (73%). 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 $0.19 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 Decatur, 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: near the start (US 12; US 20; US 45 / South Mannheim Road): Complex interchange - multiple decisions in a short stretch; at 0.2 miles (Cermak Road): Lane positioning matters here; at 1.2 miles (South Wolf Road): Lane positioning matters here.
Yes — Pullman National Historical Park. See the National Parks section for detour distances and tips on detours.
Possible but tiring. At 3.4 hours each way, an in-and-out day trip would put you behind the wheel for 6.9 hours — manageable with a long break at Decatur, IL, but most travelers stay overnight.
How this page is built
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
Was this helpful?
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore More
Continue From Decatur, IL
More trips to Decatur, IL
Explore more options from Westchester, IL or browse trips ending in Decatur, IL.
Looking for more statewide routes? Browse IL road trips.