How far is West Chicago, IL from Decatur, IL?
The driving distance from West Chicago, IL to Decatur, IL is about 179 miles (288 km), with a travel time of about 03h 02m by car.
- The straight-line flight distance is about 146.6 miles (235.9 km).
- For a round trip, plan for roughly 06h 04m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 03h 02m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Township in Livingston County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Slight Chance Showers And Thunderstorms then Mostly Sunny
Driving Route Map
The map below follows the saved road route between West Chicago and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between West Chicago and Decatur.
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1
Start on the route
12 m · 5 sec
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2
Turn right
15 m · 6 sec
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3
Turn right onto East Washington Street
2624 ft · 57 sec · East Washington Street
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4
Turn right onto South Neltnor Boulevard
2.1 mi · 4 min · South Neltnor Boulevard
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5
Continue on Illinois Route 59
15.5 mi · 27 min · Illinois Route 59
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6
Continue on North Division Street
1.9 mi · 4 min · North Division Street
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7
Turn left onto North Joliet Road
2.2 mi · 5 min · North Joliet Road
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8
Take the ramp right toward I 55 South: Bloomington
1306 ft · 32 sec
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9
Merge slight left
99.9 mi · 1 hr 48 min
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10
Keep slight left to continue on I 74 East, US 51 South, US 55 Business North: Indianapolis, Decatur
2.1 mi · 2 min
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11
Take the exit slight right toward US 51 South, US 51 Business North: Decatur, Bloomington
1616 ft · 40 sec
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12
Continue on North 1450 East Road
14.7 mi · 18 min · North 1450 East Road
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13
Continue on North Walnut Street
23.2 mi · 30 min · North Walnut Street
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14
Turn straight
4.7 mi · 8 min
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15
Turn left onto East Wood Street
91 m · 8 sec · East Wood Street
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16
Arrive at your destination
0 m · 1 sec · East Wood Street
Car Route Details
A richer read on the saved driving route between West Chicago and Decatur.
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 55 South
Merge slight left
99.9 mi · 01h 48m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Sunny leaving West Chicago and Slight Chance Showers And Thunderstorms then Mostly Sunny near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from West Chicago to Decatur?
The road trip is about 179 miles (288 km) and usually takes 03h 02m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Rooks Creek is a useful midpoint, sitting about 83.7 miles from West Chicago and 95.3 miles from Decatur.
How much longer is the road route than the straight-line distance?
The direct path is about 146.6 miles (235.9 km), while the road route adds roughly 32.4 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 6:00 AM to 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 10:56 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.80 one way or $47.59 round trip. Estimated CO2 is about 56.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around West Chicago and Slight Chance Showers And Thunderstorms then Mostly Sunny near Decatur.
Stop Ideas Near Rooks Creek
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 Rooks Creek.
Pontiac station
Dwight station
Uptown Station
Gilman
Flight Path Map
This map shows the direct air route between West Chicago and Decatur. Straight-line distance: 146.6 mi (235.93 km).
#1 West Chicago
City in DuPage County, Illinois, United States
| Population | 26,593 |
| Coordinates | 41.8847500, -88.2039600 |
| Altitude | 239 |
| Country | United States |
#2 Decatur
The most populous city in Macon County, Illinois.
| Population | 70,007 |
| Coordinates | 39.8403100, -88.9548000 |
| Altitude | 205 |
| Country | United States |
End: East Wood Street (-88.954801, 39.840341)
Estimated Travel Time
Distance: 288 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 57m |
| 40 mph (64.37 km/h) | 04h 28m |
| 50 mph (80.47 km/h) | 03h 34m |
| 60 mph (96.56 km/h) | 02h 58m |
| 70 mph (112.65 km/h) | 02h 33m |
| 80 mph (129 km/h) | 02h 13m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $23.80 | $47.59 |
| Mid-grade | $4.25 | $26.84 | $53.67 |
| Premium | $4.65 | $29.37 | $58.73 |
| Diesel | $5.30 | $33.47 | $66.94 |
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 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.