How far is Decatur, IL from Barrington, IL?
The driving distance from Decatur, IL to Barrington, IL is about 194.1 miles (312.3 km), with a travel time of about 03h 55m by car.
- The straight-line flight distance is about 165.5 miles (266.3 km).
- For a round trip, plan for roughly 07h 50m 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 55m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
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.
Slight Chance Rain And Snow Showers then Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Decatur and Barrington.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Barrington.
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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
27.4 mi · 37 min · North Water Street
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4
Continue on North 1450 East Road
14.7 mi · 18 min · North 1450 East Road
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5
Take the exit slight right toward I 74 West, US 51 North: Peoria, Rockford
113.8 mi · 2 hr 5 min
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6
Take the exit slight right toward I 355 Toll: Northwest Suburbs, Southwest Suburbs
2797 ft · 1 min
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7
Keep slight left to continue on I 355 North: Northwest Suburbs
1.2 mi · 3 min
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8
Merge slight left onto Veterans Memorial Tollway
19.2 mi · 24 min · Veterans Memorial Tollway
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9
Merge slight left
5.6 mi · 7 min
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10
Keep slight left
2.2 mi · 3 min
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11
Take the exit slight right toward Kirchoff Road
1873 ft · 50 sec
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12
Turn left onto Kirchoff Road
1.3 km · 2 min · Kirchoff Road
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13
Turn right onto South Plum Grove Road
1.9 mi · 4 min · South Plum Grove Road
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14
Turn left onto West Colfax Street
1.6 mi · 3 min · West Colfax Street
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15
Continue on Sterling Avenue
136 m · 20 sec · Sterling Avenue
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16
Turn left onto West Northwest Highway
3.7 mi · 6 min · West Northwest Highway
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17
Turn left onto Lake Cook Road
1133 ft · 39 sec · Lake Cook Road
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18
Continue on East Main Street
977 ft · 29 sec · East Main Street
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19
Turn left onto Hough Street
33 m · 2 sec · Hough Street
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20
Arrive at your destination
0 m · 1 sec · Hough Street
Car Route Details
A richer read on the saved driving route between Decatur and Barrington.
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 74 West
Take the exit slight right toward I 74 West, US 51 North: Peoria, Rockford
114 mi · 02h 05m
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.
Slight Chance Rain And Snow Showers then Sunny leaving Decatur and Mostly Sunny near Barrington.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Barrington?
The road trip is about 194.1 miles (312.3 km) and usually takes 03h 55m 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?
Odell is a useful midpoint, sitting about 97.1 miles from Decatur and 97 miles from Barrington.
How much longer is the road route than the straight-line distance?
The direct path is about 165.5 miles (266.3 km), while the road route adds roughly 28.6 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 9:10 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.83 one way or $51.66 round trip. Estimated CO2 is about 60.9 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 Barrington.
Stop Ideas Near Odell
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 Odell.
Dwight station
Pontiac station
Gilman
Kankakee
Flight Path Map
This map shows the direct air route between Decatur and Barrington. Straight-line distance: 165.45 mi (266.27 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 Barrington
Village in Cook County and Lake County, Illinois, United States
| Population | 10,178 |
| Coordinates | 42.1539100, -88.1361900 |
| Altitude | 252 |
| Country | United States |
End: Barrington (-88.13619, 42.15391)
Estimated Travel Time
Distance: 312 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 28m |
| 40 mph (64.37 km/h) | 04h 51m |
| 50 mph (80.47 km/h) | 03h 52m |
| 60 mph (96.56 km/h) | 03h 14m |
| 70 mph (112.65 km/h) | 02h 46m |
| 80 mph (129 km/h) | 02h 25m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $25.83 | $51.66 |
| Mid-grade | $4.25 | $29.13 | $58.27 |
| Premium | $4.65 | $31.88 | $63.76 |
| Diesel | $5.30 | $36.33 | $72.66 |
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.