How far is Jasper, IN from Decatur, IL?
The driving distance from Jasper, IN to Decatur, IL is about 203.1 miles (326.9 km), with a travel time of about 04h 34m by car.
- The straight-line flight distance is about 147.6 miles (237.6 km).
- For a round trip, plan for roughly 09h 09m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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 04h 34m.
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.
City in and the county seat of Jasper County, Illinois, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance Showers And Thunderstorms
Sunny then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Jasper and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Jasper and Decatur.
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1
Start on Court House Square
2 m · 3 sec · Court House Square
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2
Turn right onto West 6th Street
52 m · 12 sec · West 6th Street
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3
Turn right onto Newton Street
20.1 mi · 23 min · Newton Street
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4
Turn sharp left onto West Broadway Street
65.2 mi · 1 hr 24 min · West Broadway Street
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5
Turn right onto East Main Street
1.1 mi · 2 min · East Main Street
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6
Turn right onto North Lincoln Avenue
147 m · 19 sec · North Lincoln Avenue
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7
Turn left onto East Butler Street
1.3 mi · 3 min · East Butler Street
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8
Turn right onto North West Street
1.3 mi · 2 min · North West Street
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9
Continue on County Road 1100 East
6.7 mi · 9 min · County Road 1100 East
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10
Continue on South Van Buren Street
11 mi · 15 min · South Van Buren Street
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11
Turn left
23.2 mi · 35 min
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12
Turn left onto East Fayette Avenue
921 ft · 18 sec · East Fayette Avenue
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13
Turn right onto South 3rd Street
1.7 mi · 3 min · South 3rd Street
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14
Take the ramp right toward I-57 North, I-70 East: Champaign, Terre Haute
2624 ft · 1 min
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15
Merge slight left
1.3 km · 55 sec
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16
Keep slight left to continue on I 57 North: Chicago
20.6 mi · 22 min
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17
Take the exit slight right toward US 45, IL 121: Mattoon, Toledo
1299 ft · 28 sec
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18
Turn straight onto Lakeland Boulevard
3.9 mi · 6 min · Lakeland Boulevard
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19
At the end of the road, turn left onto Charleston Avenue
118 m · 11 sec · Charleston Avenue
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20
Turn right onto South 19th Street
2731 ft · 60 sec · South 19th Street
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21
Turn left onto Dewitt Avenue
2 mi · 3 min · Dewitt Avenue
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22
Continue on Route 121
35.3 mi · 51 min · Route 121
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23
Continue on South Mount Zion Road
2.1 mi · 3 min · South Mount Zion Road
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24
Turn left
4.7 mi · 8 min
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25
Turn left onto North Main Street
1985 ft · 49 sec · North Main Street
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26
Turn left onto East Wood Street
91 m · 8 sec · East Wood Street
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27
Arrive at your destination
0 m · 1 sec · East Wood Street
Car Route Details
A richer read on the saved driving route between Jasper 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.
West Broadway Street
Turn sharp left onto West Broadway Street
65.2 mi · 01h 24m
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 then Slight Chance Showers And Thunderstorms leaving Jasper and Sunny then Chance Showers And Thunderstorms near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Jasper to Decatur?
The road trip is about 203.1 miles (326.9 km) and usually takes 04h 34m 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?
Newton is a useful midpoint, sitting about 101.5 miles from Jasper and 101.6 miles from Decatur.
How much longer is the road route than the straight-line distance?
The direct path is about 147.6 miles (237.6 km), while the road route adds roughly 55.5 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 7:50 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.04 one way or $54.08 round trip. Estimated CO2 is about 63.7 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Jasper and Decatur, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Showers And Thunderstorms around Jasper and Sunny then Chance Showers And Thunderstorms near Decatur.
Stop Ideas Near Newton
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 Newton.
Effingham
Mattoon station
Centralia station
Mt. Vernon, IL
Flight Path Map
This map shows the direct air route between Jasper and Decatur. Straight-line distance: 147.61 mi (237.55 km).
#1 Jasper
City in Dubois County, Indiana, United States
| Population | 15,667 |
| Coordinates | 38.3914400, -86.9311100 |
| Altitude | 142 |
| 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: Decatur (-88.9548, 39.84031)
Estimated Travel Time
Distance: 327 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 46m |
| 40 mph (64.37 km/h) | 05h 04m |
| 50 mph (80.47 km/h) | 04h 03m |
| 60 mph (96.56 km/h) | 03h 23m |
| 70 mph (112.65 km/h) | 02h 54m |
| 80 mph (129 km/h) | 02h 32m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $27.04 | $54.08 |
| Mid-grade | $4.25 | $30.49 | $60.99 |
| Premium | $4.65 | $33.37 | $66.74 |
| Diesel | $5.30 | $38.03 | $76.06 |
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 Indiana · Jul 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.