How far is Decatur, IL from Tinley Park, IL?
The driving distance from Decatur, IL to Tinley Park, IL is about 159.2 miles (256.2 km), with a travel time of about 02h 59m by car.
- The straight-line flight distance is about 134.5 miles (216.5 km).
- For a round trip, plan for roughly 05h 59m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 02h 59m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Human settlement in Iroquois County, Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain And Snow Showers then Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Decatur and Tinley Park.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Tinley Park.
-
1
Start on East Wood Street
155 m · 23 sec · East Wood Street
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2
Turn left onto South Franklin Street
2129 ft · 46 sec · South Franklin Street
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3
Continue on North Water Street
4 mi · 6 min · North Water Street
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4
Take the ramp slight right toward I 72 East: Champaign
2373 ft · 1 min
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5
Merge slight left
40.4 mi · 44 min
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6
Take the exit slight right toward I 57 North: Chicago
1520 ft · 43 sec
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7
Merge slight left
105.4 mi · 1 hr 53 min
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8
Take the exit slight right toward US 30: Lincoln Highway
1569 ft · 34 sec
-
9
Keep slight left to continue on US 30 West: Lincoln Highway
87 m · 7 sec
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10
Turn left onto Lincoln Highway
2.6 mi · 5 min · Lincoln Highway
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11
Turn right onto Harlem Avenue
4.4 mi · 7 min · Harlem Avenue
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12
Turn right onto Hickory Street
1 km · 2 min · Hickory Street
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13
Turn right onto Oak Park Avenue
749 ft · 25 sec · Oak Park Avenue
-
14
Turn right
25 m · 6 sec
-
15
Turn right
37 m · 9 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Decatur and Tinley Park.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 57 North
Merge slight left
105 mi · 01h 53m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Slight Chance Rain And Snow Showers then Sunny leaving Decatur and Mostly Sunny near Tinley Park.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Tinley Park?
The road trip is about 159.2 miles (256.2 km) and usually takes 02h 59m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Buckley is a useful midpoint, sitting about 79.6 miles from Decatur and 79.6 miles from Tinley Park.
How much longer is the road route than the straight-line distance?
The direct path is about 134.5 miles (216.5 km), while the road route adds roughly 24.7 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 8:00 AM to 10:00 AM CDT. If you want a more comfortable same-day return, try to leave by 12:30 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.19 one way or $42.39 round trip. Estimated CO2 is about 49.9 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain And Snow Showers then Sunny around Decatur and Mostly Sunny near Tinley Park.
Stop Ideas Near Buckley
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Buckley.
Gilman
Rantoul
Illinois Terminal
Pontiac station
Flight Path Map
This map shows the direct air route between Decatur and Tinley Park. Straight-line distance: 134.51 mi (216.48 km).
#1 Decatur
The most populous city in Macon County, Illinois.
| Population | 70,007 |
| Coordinates | 39.8403100, -88.9548000 |
| Altitude | 205 |
| Country | United States |
#2 Tinley Park
Village located in Cook County, Illinois, United States
| Population | 55,221 |
| Coordinates | 41.5733700, -87.7844900 |
| Altitude | 213 |
| Country | United States |
End: Tinley Park (-87.78449, 41.57337)
Estimated Travel Time
Distance: 256 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 18m |
| 40 mph (64.37 km/h) | 03h 58m |
| 50 mph (80.47 km/h) | 03h 11m |
| 60 mph (96.56 km/h) | 02h 39m |
| 70 mph (112.65 km/h) | 02h 16m |
| 80 mph (129 km/h) | 01h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $21.19 | $42.39 |
| Mid-grade | $4.25 | $23.90 | $47.80 |
| Premium | $4.65 | $26.16 | $52.31 |
| Diesel | $5.30 | $29.81 | $59.62 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Illinois · Apr 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.