Origin
Oak Lawn, IL
Morning in Oak Lawn on Wednesday
Local time
6:42 AM
CDT
Current temp
71°F
Unavailable
Live forecast
Trip from Oak Lawn, IL to Decatur, IL
Data updated 0 seconds ago
Drive Time
3h 11m
Distance
165.5 mi
266 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$26
one way
EV Charging
Loading...
station data
Best Time to Leave
4 AM
3h 0m
★
6 AM
3h 12m
8 AM
3h 35m
10 AM
3h 20m
12 PM
3h 18m
3 PM
3h 21m
5 PM
3h 34m
8 PM
3h 5m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Oak Lawn, IL
Wikimedia Commons
Decatur, IL
Wikimedia Commons
Trip Overview
This 165.5-mile drive from Oak Lawn, IL, to Decatur, IL, is a straightforward trip through the Midwest, taking approximately 3 hours and 11 minutes. Primarily a highway-focused journey, it's perfectly suited for a single-day excursion, meaning you won't need to worry about booking an overnight stay. With an estimated fuel cost of $26, this route offers an economical way to travel between these two Illinois locations. The highway share of 93% indicates you'll be spending most of your time on major interstates, making for an efficient transit.
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
82.8 miles from Oak Lawn, IL
A natural place for your longest stop of the day , about 1h 37m into the drive .
Loading map...
Drive Character
Expect a predominantly highway-focused experience on this 165.5-mile trip, with 93% of the drive taking place on major roadways. You'll encounter a substantial continuous stretch of 110.8 miles on I-57, offering a consistent pace for a significant portion of your journey. The route utilizes I-57 and I-72, suggesting a profile of fast-paced travel with limited local road interaction. This highway-heavy character means you can anticipate a relatively smooth and predictable drive, ideal for covering ground efficiently.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 18 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 57 is the longest continuous segment at about 110.8 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 57 and I 72. There are only a few real navigation decisions along the way. The trickiest moment comes around 0.3 miles in near 102nd Street.
Route Complexity
4/10
Easy - simple navigation with a manageable amount of wheel time
This is a straightforward 3h 11m drive. You will face about 13 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 0.3 miles (102nd Street): Navigation decision point; at 1.3 miles (IL 50 / South Cicero Avenue): Lane positioning matters here; at 10.1 miles (I 57): Merge point - match speed before joining. Lane positioning matters here.
Critical Maneuvers
5 of 13 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
5
0.3 mi into trip
|
~1m in
|
102nd Street
At end of road, turn left onto 102nd Street
Navigation decision point
5
1.3 mi into trip
|
~3m in
|
IL 50 / South Cicero Avenue
Turn right onto IL 50 / South Cicero Avenue
Lane positioning matters here
Use the left lane.
5
10.1 mi into trip
|
~18m in
|
I 57
Merge onto I 57
Merge point - match speed before joining. Lane positioning matters here
Use the straight / slight right lanes.
5
120.9 mi into trip
|
~2h 18m in
Take the exit toward I 72 West: Decatur
Exit ramp - move to the correct lane early
Exit 235B
Toward I 72 West: Decatur
6
157.9 mi into trip
|
~2h 59m in
Take the exit toward IL 48: Oreana, Decatur
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 144
Toward IL 48: Oreana, Decatur
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 57 | 110.8 mi | 2h |
| I 72 | 36.6 mi | 39m |
| Cicero Avenue | 6.6 mi | 10m |
| IL 48 | 5.1 mi | 7m |
| South Cicero Avenue | 1.5 mi | 2m |
| US 36 | 1.4 mi | 2m |
| 103rd Street | 0.8 mi | 1m |
| North Main Street | 0.4 mi | <1m |
Longest stretch:
I 57
— 110.8 mi, about 2h
Turn-by-Turn Driving Directions
Step-by-step road directions between Oak Lawn, IL and Decatur, IL.
1
Start on Mulberry Avenue
0.3 mi
·
1 min
·
Mulberry Avenue
2
At end of road, turn left onto 102nd Street
0.1 mi
·
30 sec
·
102nd Street
3
Turn right onto Buell Avenue
528 ft
·
28 sec
·
Buell Avenue
4
At end of road, turn left onto 103rd Street
0.8 mi
·
1 min
·
103rd Street
5
Turn right onto IL 50
1.5 mi
·
2 min
·
South Cicero Avenue
Use the left lane.
6
Continue on IL 50
6.6 mi
·
10 min
·
Cicero Avenue
Use the straight / slight right lanes.
7
Turn left onto 167th Street
0.2 mi
·
26 sec
·
167th Street
Use the left lane.
8
Take the ramp
0.6 mi
·
1 min
Toward I 57 South: Kankakee, I-80
9
Merge onto I 57
111 mi
·
2 hr
·
I 57
Use the straight / slight right lanes.
10
Take the exit
0.5 mi
·
1 min
Exit 235B
Toward I 72 West: Decatur
11
Merge onto I 72
37 mi
·
39 min
·
I 72
12
Take the exit
0.4 mi
·
38 sec
Exit 144
Toward IL 48: Oreana, Decatur
13
Turn left onto IL 48
5.1 mi
·
7 min
·
IL 48
Use the left / straight lanes.
14
Turn right onto East Eldorado Street
0.2 mi
·
29 sec
·
East Eldorado Street
15
Continue on US 36
1.4 mi
·
2 min
·
US 36
16
Turn left onto US 51 Business
0.4 mi
·
48 sec
·
North Main Street
17
Turn left onto East Wood Street
298 ft
·
8 sec
·
East Wood Street
18
Arrive at destination
East Wood Street
Trip Plan
Given the manageable 3-hour and 11-minute duration, this route from Oak Lawn to Decatur is best tackled in a single day. Aim to depart in the morning to maximize your daylight hours and take advantage of potentially lighter traffic. The longest stretch without a significant change in road is over 110 miles on I-57, so plan for a fuel and rest stop before you begin that segment. Considering the 93% highway share, you'll want to ensure your vehicle is in good condition for sustained driving, and keep an eye on your fuel gauge as services might be less frequent on certain interstate stretches.
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 82.8 miles from Oak Lawn, IL, or about 1h 37m into the drive.
The longest continuous stretch on this route runs about 110.8 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 80 miles or 1h 34m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 82.8 miles or 1h 37m 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 35m
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 Oak Lawn, 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 Oak Lawn, IL
This is one driving day of about 165.5 miles and 3h 11m.
Your first comfortable stop window is around 80 miles from Oak Lawn, 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 57 for about 110.8 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 82.8 mi from Oak Lawn, IL · 1h 37m into the drive
Mid-route town
Meal stop
83 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 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 82.8 miles from Oak Lawn, IL, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 57 if your tank is already low. That segment runs about 110.8 miles.
Arriving in Decatur, IL
The final approach into Decatur, IL usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Decatur, IL.
After long uninterrupted mileage, take five minutes before the last urban segment to reset and refocus on exits, merges, and city traffic.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$25.87 one way
$51.75 round trip
$3.97/gal
25.4 MPG avg
58 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $28.41 | $56.82 |
| premium | $4.89 | $31.85 | $63.70 |
| diesel | $5.61 | $36.54 | $73.08 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$26
Meals
$25–$50
Total
$51–$76
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 57.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $17 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 49.7 | 0 | $17.38 | $7.94 |
| Efficient EV | 41.4 | 0 | $14.48 | $6.62 |
| EV Truck/SUV | 66.2 | 0 | $23.17 | $10.59 |
Gas CO2
58 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.
Destination
Decatur, IL
Morning in Decatur on Wednesday
Local time
6:42 AM
CDT
Current temp
74°F
Unavailable
Live forecast
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
3 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 11m 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.
Frequently Asked Questions
The drive from Oak Lawn, IL to Decatur, IL covers 165.5 miles and takes about 3h 11m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 57, I 72, Cicero Avenue. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 82.8 miles from Oak Lawn, IL. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $25.87 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
This is a straightforward 3h 11m drive. You will face about 13 decision points, but nothing that requires special attention if you follow navigation.
The main spots that need attention: at 0.3 miles (102nd Street): Navigation decision point; at 1.3 miles (IL 50 / South Cicero Avenue): Lane positioning matters here; at 10.1 miles (I 57): Merge point - match speed before joining. Lane positioning matters here.
The route from Oak Lawn, IL to Decatur, IL does not surface many named destination signs beyond the main corridor.
Was this route helpful?
Thanks for your feedback!
Your tip has been submitted. Thanks!
/500
Recent Tips
·
Explore More
Continue From Decatur, IL
More from Oak Lawn, IL
More trips to Decatur, IL
Explore more options from Oak Lawn, IL or browse trips ending in Decatur, IL.
Looking for more statewide routes? Browse IL road trips.
Explore maps for Oak Lawn, IL or Decatur, IL on MapSof.net.