How far is Roscoe, IL from Decatur, IL?
The driving distance from Roscoe, IL to Decatur, IL is about 190.2 miles (306.1 km), with a travel time of about 03h 04m by car.
- The straight-line flight distance is about 177.8 miles (286.1 km).
- For a round trip, plan for roughly 06h 09m 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 04m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Human settlement in Illinois, United States of America
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 Roscoe and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Roscoe and Decatur.
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1
Start on Main Street
32 m · 10 sec · Main Street
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2
Turn left onto Bridge Street
1128 ft · 22 sec · Bridge Street
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3
Continue on Belvidere Road
4.5 mi · 8 min · Belvidere Road
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4
Turn right
58 m · 7 sec
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5
Turn straight onto West Lane Road
1.2 mi · 2 min · West Lane Road
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6
Take the ramp right
2836 ft · 1 min
-
7
Merge slight left onto Jane Addams Memorial Tollway
8.3 mi · 9 min · Jane Addams Memorial Tollway
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8
Keep slight right to continue on I 39, US 51 South: Bloomington
1.3 km · 53 sec
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9
Continue straight
2.1 mi · 2 min
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10
Keep slight right
119.5 mi · 2 hr 8 min
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11
Keep slight right to continue on I 55 South, US 51 South: Peoria, Champaign, Saint Louis, Decatur
7.6 mi · 8 min
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12
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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13
Take the exit slight right toward US 51 South, US 51 Business North: Decatur, Bloomington
1616 ft · 40 sec
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14
Continue on North 1450 East Road
14.7 mi · 18 min · North 1450 East Road
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15
Continue on North Walnut Street
23.2 mi · 30 min · North Walnut Street
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16
Turn straight
4.7 mi · 8 min
-
17
Turn left onto East Wood Street
91 m · 8 sec · East Wood Street
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18
Arrive at your destination
0 m · 1 sec · East Wood Street
Car Route Details
A richer read on the saved driving route between Roscoe and Decatur.
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 39
Keep slight right
119 mi · 02h 08m
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.
Mostly Sunny leaving Roscoe and Sunny near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Roscoe to Decatur?
The road trip is about 190.2 miles (306.1 km) and usually takes 03h 04m 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?
Lostant is a useful midpoint, sitting about 95 miles from Roscoe and 95.2 miles from Decatur.
How much longer is the road route than the straight-line distance?
The direct path is about 177.8 miles (286.1 km), while the road route adds roughly 12.4 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 10:50 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $25.30 one way or $50.61 round trip. Estimated CO2 is about 59.6 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Roscoe and Sunny near Decatur.
Stop Ideas Near Lostant
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 Lostant.
Princeton
Mendota station
Pontiac station
Dwight station
Flight Path Map
This map shows the direct air route between Roscoe and Decatur. Straight-line distance: 177.81 mi (286.15 km).
#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: 306 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 20m |
| 40 mph (64.37 km/h) | 04h 45m |
| 50 mph (80.47 km/h) | 03h 48m |
| 60 mph (96.56 km/h) | 03h 10m |
| 70 mph (112.65 km/h) | 02h 43m |
| 80 mph (129 km/h) | 02h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $25.30 | $50.61 |
| Mid-grade | $4.25 | $28.54 | $57.08 |
| Premium | $4.65 | $31.23 | $62.46 |
| Diesel | $5.30 | $35.59 | $71.18 |
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 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.