How far is Decatur, IL from Champaign, IL?
The driving distance from Decatur, IL to Champaign, IL is about 48.7 miles (78.3 km), with a travel time of about 00h 52m by car.
- The straight-line flight distance is about 42.2 miles (67.9 km).
- For a round trip, plan for roughly 01h 45m 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 00h 52m.
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.
Village in Piatt County, Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms then Mostly Sunny
Chance Showers And Thunderstorms then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Decatur and Champaign.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Champaign.
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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
4 mi · 6 min · North Water Street
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4
Take the ramp slight right toward I 72 East: Champaign
2373 ft · 1 min
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5
Merge slight left
41.6 mi · 45 min
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6
Continue on West University Avenue
1.9 mi · 5 min · West University Avenue
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7
Turn left onto North Randolph Street
111 m · 12 sec · North Randolph Street
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8
Turn right onto West Park Avenue
140 m · 15 sec · West Park Avenue
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9
Turn right onto North Neil Street
97 m · 11 sec · North Neil Street
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10
Arrive at your destination
0 m · 1 sec · North Neil Street
Car Route Details
A richer read on the saved driving route between Decatur and Champaign.
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 72 East
Merge slight left
41.6 mi · 00h 45m
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.
Slight Chance Showers And Thunderstorms then Mostly Sunny leaving Decatur and Chance Showers And Thunderstorms then Mostly Sunny near Champaign.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Champaign?
The road trip is about 48.7 miles (78.3 km) and usually takes 00h 52m 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?
Cisco is a useful midpoint, sitting about 24.4 miles from Decatur and 24.3 miles from Champaign.
How much longer is the road route than the straight-line distance?
The direct path is about 42.2 miles (67.9 km), while the road route adds roughly 6.5 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 4:44 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.49 one way or $12.97 round trip. Estimated CO2 is about 15.3 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Showers And Thunderstorms then Mostly Sunny around Decatur and Chance Showers And Thunderstorms then Mostly Sunny near Champaign.
Stop Ideas Near Cisco
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 Cisco.
Illinois Terminal
Lincoln
Uptown Station
Rantoul
Flight Path Map
This map shows the direct air route between Decatur and Champaign. Straight-line distance: 42.22 mi (67.95 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 Champaign
The most populous city in Champaign County, Illinois.
| Population | 89,390 |
| Coordinates | 40.1164200, -88.2433800 |
| Altitude | 225 |
| Country | United States |
End: North Neil Street (-88.243515, 40.11642)
Estimated Travel Time
Distance: 78 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 37m |
| 40 mph (64.37 km/h) | 01h 13m |
| 50 mph (80.47 km/h) | 00h 58m |
| 60 mph (96.56 km/h) | 00h 48m |
| 70 mph (112.65 km/h) | 00h 41m |
| 80 mph (129 km/h) | 00h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $6.49 | $12.97 |
| Mid-grade | $4.25 | $7.32 | $14.63 |
| Premium | $4.65 | $8.00 | $16.01 |
| Diesel | $5.30 | $9.12 | $18.25 |
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.