How far is Jacksonville, IL from Decatur, IL?
The driving distance from Jacksonville, IL to Decatur, IL is about 74.1 miles (119.3 km), with a travel time of about 01h 14m by car.
- The straight-line flight distance is about 68 miles (109.5 km).
- For a round trip, plan for roughly 02h 28m 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 01h 14m.
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.
City in Sangamon County, Illinois, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Jacksonville and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Jacksonville and Decatur.
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1
Start on South Central Park Plaza
48 m · 9 sec · South Central Park Plaza
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2
Turn left onto South Mauvaisterre Street
115 m · 13 sec · South Mauvaisterre Street
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3
Turn left onto North Central Park Plaza
117 m · 13 sec · North Central Park Plaza
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4
Turn left onto North Sandy Street
115 m · 13 sec · North Sandy Street
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5
At the end of the road, turn left onto South Central Park Plaza
58 m · 6 sec · South Central Park Plaza
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6
Turn right onto South Main Street
1.2 km · 1 min · South Main Street
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7
Turn left onto East Morton Avenue
2.5 mi · 4 min · East Morton Avenue
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8
Continue on Old Route 36
1.5 km · 1 min · Old Route 36
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9
Turn left
1635 ft · 40 sec
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10
Merge slight left
33.5 mi · 36 min
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11
Take the exit slight right toward I 72 East, US 36 East: Decatur
30 mi · 33 min
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12
Take the exit slight right toward US 36 East, US 51 South: Decatur, Pana
1656 ft · 41 sec
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13
Keep slight left to continue on US 36 East: Decatur
5.5 mi · 8 min
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14
Turn right onto North Main Street
1985 ft · 49 sec · North Main Street
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15
Turn left onto East Wood Street
91 m · 8 sec · East Wood Street
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16
Arrive at your destination
0 m · 1 sec · East Wood Street
Car Route Details
A richer read on the saved driving route between Jacksonville 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.
Old Route 36
Merge slight left
33.5 mi · 00h 36m
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.
Showers And Thunderstorms leaving Jacksonville and 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 Jacksonville to Decatur?
The road trip is about 74.1 miles (119.3 km) and usually takes 01h 14m 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?
Grandview is a useful midpoint, sitting about 37.2 miles from Jacksonville and 37 miles from Decatur.
How much longer is the road route than the straight-line distance?
The direct path is about 68 miles (109.5 km), while the road route adds roughly 6.1 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 4:02 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.88 one way or $19.76 round trip. Estimated CO2 is about 23.3 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Jacksonville and Showers And Thunderstorms near Decatur.
Stop Ideas Near Grandview
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 Grandview.
Springfield station
Lincoln
Carlinville
Uptown Station
Flight Path Map
This map shows the direct air route between Jacksonville and Decatur. Straight-line distance: 68.05 mi (109.51 km).
#1 Jacksonville
City in Morgan County, Illinois, United States
| Population | 18,488 |
| Coordinates | 39.7339400, -90.2290100 |
| Altitude | 186 |
| 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: 119 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 28m |
| 40 mph (64.37 km/h) | 01h 51m |
| 50 mph (80.47 km/h) | 01h 28m |
| 60 mph (96.56 km/h) | 01h 14m |
| 70 mph (112.65 km/h) | 01h 03m |
| 80 mph (129 km/h) | 00h 55m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $9.88 | $19.76 |
| Mid-grade | $4.25 | $11.14 | $22.29 |
| Premium | $4.65 | $12.19 | $24.39 |
| Diesel | $5.30 | $13.90 | $27.79 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.