How far is Springfield, IL from Decatur, IL?
The driving distance from Springfield, IL to Decatur, IL is about 38.6 miles (62.1 km), with a travel time of about 00h 40m by car.
- The straight-line flight distance is about 36.7 miles (59 km).
- For a round trip, plan for roughly 01h 21m 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 40m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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 Sangamon County, Illinois
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Springfield and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Springfield and Decatur.
-
1
Start on East Washington Street
1206 ft · 46 sec · East Washington Street
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2
Turn left onto North 12th Street
1013 ft · 35 sec · North 12th Street
-
3
Turn straight onto Clear Lake Avenue
2.5 mi · 5 min · Clear Lake Avenue
-
4
Continue straight
29.5 mi · 32 min
-
5
Take the exit slight right toward US 36 East, US 51 South: Decatur, Pana
1656 ft · 41 sec
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6
Keep slight left to continue on US 36 East: Decatur
5.5 mi · 8 min
-
7
Turn right onto North Main Street
1985 ft · 49 sec · North Main Street
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8
Turn left onto East Wood Street
91 m · 8 sec · East Wood Street
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9
Arrive at your destination
0 m · 1 sec · East Wood Street
Car Route Details
A richer read on the saved driving route between Springfield and Decatur.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Clear Lake Avenue
Continue straight
29.5 mi · 00h 32m
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.
Sunny leaving Springfield and Mostly Sunny near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Springfield to Decatur?
The road trip is about 38.6 miles (62.1 km) and usually takes 00h 40m 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 19.3 miles from Springfield and 19.3 miles from Decatur.
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 1.9 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 $5.13 one way or $10.26 round trip. Estimated CO2 is about 12.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Springfield and Mostly Sunny near Decatur.
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 Springfield and Decatur. Straight-line distance: 36.65 mi (58.99 km).
#1 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 |
#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: 62 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 17m |
| 40 mph (64.37 km/h) | 00h 57m |
| 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 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $5.13 | $10.26 |
| Mid-grade | $4.25 | $5.78 | $11.57 |
| Premium | $4.65 | $6.33 | $12.66 |
| Diesel | $5.30 | $7.21 | $14.43 |
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 · May 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.