How far is Decatur, IL from Springfield, IL?
The driving distance from Decatur, IL to Springfield, IL is about 39 miles (62.7 km), with a travel time of about 00h 41m by car.
- The straight-line flight distance is about 36.7 miles (59 km).
- For a round trip, plan for roughly 01h 22m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM CDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 41m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 Sangamon County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms then Mostly Sunny
Scattered Showers And Thunderstorms then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Decatur and Springfield.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Springfield.
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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
1982 ft · 49 sec · South Franklin Street
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3
Turn left onto West Eldorado Street
35.8 mi · 41 min · West Eldorado Street
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4
Continue on Clear Lake Avenue
2.3 mi · 5 min · Clear Lake Avenue
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5
Continue on East Jefferson Street
2261 ft · 1 min · East Jefferson Street
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6
Turn left onto North 7th Street
124 m · 19 sec · North 7th Street
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7
Turn left onto East Washington Street
768 ft · 24 sec · East Washington Street
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8
Arrive at your destination
0 m · 1 sec · East Washington Street
Car Route Details
A richer read on the saved driving route between Decatur and Springfield.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
West Eldorado Street
Turn left onto West Eldorado Street
35.8 mi · 00h 41m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Slight Chance Showers And Thunderstorms then Mostly Sunny leaving Decatur and Scattered Showers And Thunderstorms then Mostly Sunny near Springfield.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Springfield?
The road trip is about 39 miles (62.7 km) and usually takes 00h 41m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Lanesville is a useful midpoint, sitting about 19.5 miles from Decatur and 19.4 miles from Springfield.
How much longer is the road route than the straight-line distance?
The direct path is about 36.7 miles (59 km), while the road route adds roughly 2.3 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 7:00 AM to 7:00 PM CDT. If you want a more comfortable same-day return, try to leave by 7:08 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.17 one way or $10.33 round trip. Estimated CO2 is about 12.2 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms then Mostly Sunny around Decatur and Scattered Showers And Thunderstorms then Mostly Sunny near Springfield.
Stop Ideas Near Lanesville
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 Lanesville.
Springfield station
Lincoln
Carlinville
Uptown Station
Flight Path Map
This map shows the direct air route between Decatur and Springfield. Straight-line distance: 36.65 mi (58.99 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 Springfield
The capital of Illinois and the county seat of Sangamon County.
| Population | 113,671 |
| Coordinates | 39.8017200, -89.6437100 |
| Altitude | 182 |
| Country | United States |
End: East Washington Street (-89.643712, 39.801639)
Estimated Travel Time
Distance: 63 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 17m |
| 40 mph (64.37 km/h) | 00h 58m |
| 50 mph (80.47 km/h) | 00h 46m |
| 60 mph (96.56 km/h) | 00h 38m |
| 70 mph (112.65 km/h) | 00h 33m |
| 80 mph (129 km/h) | 00h 29m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $5.17 | $10.33 |
| Mid-grade | $4.25 | $5.83 | $11.65 |
| Premium | $4.65 | $6.38 | $12.75 |
| Diesel | $5.30 | $7.27 | $14.53 |
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.