How far is Washington, IL from Decatur, IL?
The driving distance from Washington, IL to Decatur, IL is about 80 miles (128.8 km), with a travel time of about 01h 28m by car.
- The straight-line flight distance is about 64.2 miles (103.4 km).
- For a round trip, plan for roughly 02h 56m 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 01h 28m.
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.
Township in Henry County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain And Snow Showers then Sunny
Driving Route Map
The map below follows the saved road route between Washington and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Washington and Decatur.
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1
Start on the route
28 m · 12 sec
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2
Turn left onto Peoria Street
47 m · 7 sec · Peoria Street
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3
Enter the roundabout and take exit 3 toward Walnut Street
95 m · 17 sec · Walnut Street
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4
Exit the roundabout onto Walnut Street
1 mi · 2 min · Walnut Street
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5
Continue on Eureka Road
2 mi · 4 min · Eureka Road
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6
Turn right onto Dee-Mack Road
5.5 mi · 8 min · Dee-Mack Road
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7
Continue on Dee-Mac Road
1.1 km · 1 min · Dee-Mac Road
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8
Turn left
1.5 km · 1 min
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9
Turn right onto County Line Road
2.1 mi · 5 min · County Line Road
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10
At the end of the road, turn left onto County Road 1300 East
1108 ft · 17 sec · County Road 1300 East
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11
Continue on West Martin Drive
1.2 km · 2 min · West Martin Drive
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12
Turn left
125 m · 11 sec
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13
Take the ramp right toward I 74 East
1340 ft · 20 sec
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14
Merge slight left
14 mi · 15 min
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15
Keep slight right to continue on I 55 South, I 74 East, US 51 South: Saint Louis, Indianapolis
6.6 mi · 7 min
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16
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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17
Take the exit slight right toward US 51 South, US 51 Business North: Decatur, Bloomington
1616 ft · 40 sec
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18
Continue on North 1450 East Road
14.7 mi · 18 min · North 1450 East Road
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19
Continue on North Walnut Street
23.2 mi · 30 min · North Walnut Street
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20
Turn straight
4.7 mi · 8 min
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21
Turn left onto East Wood Street
91 m · 8 sec · East Wood Street
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22
Arrive at your destination
0 m · 1 sec · East Wood Street
Car Route Details
A richer read on the saved driving route between Washington and Decatur.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
North Walnut Street
Continue on North Walnut Street
23.2 mi · 00h 30m
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.
Sunny leaving Washington and Slight Chance Rain And Snow Showers then Sunny near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Washington to Decatur?
The road trip is about 80 miles (128.8 km) and usually takes 01h 28m 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?
Burns is a useful midpoint, sitting about 39.6 miles from Washington and 40.5 miles from Decatur.
How much longer is the road route than the straight-line distance?
The direct path is about 64.2 miles (103.4 km), while the road route adds roughly 15.8 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 3:34 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.63 one way or $21.27 round trip. Estimated CO2 is about 25.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Washington and Slight Chance Rain And Snow Showers then Sunny near Decatur.
Stop Ideas Near Burns
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
City Hall - Town of Normal
City of Bloomington, Illinois
Bloomington Finance Department
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Burns.
Uptown Station
Lincoln
Pontiac station
Peoria, Illinois
Flight Path Map
This map shows the direct air route between Washington and Decatur. Straight-line distance: 64.24 mi (103.39 km).
#1 Washington
City in Tazewell County, Illinois
| Population | 16,395 |
| Coordinates | 40.7036500, -89.4073100 |
| Altitude | 232 |
| 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: 129 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 40m |
| 40 mph (64.37 km/h) | 02h 00m |
| 50 mph (80.47 km/h) | 01h 36m |
| 60 mph (96.56 km/h) | 01h 20m |
| 70 mph (112.65 km/h) | 01h 08m |
| 80 mph (129 km/h) | 00h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $10.63 | $21.27 |
| Mid-grade | $4.25 | $11.99 | $23.99 |
| Premium | $4.65 | $13.12 | $26.25 |
| Diesel | $5.30 | $14.96 | $29.91 |
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.