How far is Decatur, IL from Jacksonville, IL?
The driving distance from Decatur, IL to Jacksonville, IL is about 74.7 miles (120.2 km), with a travel time of about 01h 26m by car.
- The straight-line flight distance is about 68 miles (109.5 km).
- For a round trip, plan for roughly 02h 53m 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 26m.
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.
Slight Chance Rain And Snow Showers then Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Decatur and Jacksonville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Jacksonville.
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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
1982 ft · 49 sec · South Franklin Street
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3
Turn left onto West Eldorado Street
35.8 mi · 41 min · West Eldorado Street
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4
Take the exit slight right toward I 55 South, I 72 West: Saint Louis, Jacksonville
5.3 mi · 7 min
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5
Keep slight right to continue on I 72 West, US 36 West: Jacksonville
28.9 mi · 31 min
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6
Take the exit slight right toward I 72 Business West: Jacksonville
1987 ft · 48 sec
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7
Keep slight left to continue on I 72 Business West: Jacksonville
132 m · 12 sec
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8
Turn right onto Old Route 36
1 km · 56 sec · Old Route 36
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9
Continue on East Morton Avenue
2.5 mi · 4 min · East Morton Avenue
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10
Turn right onto South Main Street
1.2 km · 1 min · South Main Street
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11
At the end of the road, turn right onto South Central Park Plaza
10 m · 1 sec · South Central Park Plaza
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12
Arrive at your destination
0 m · 1 sec · South Central Park Plaza
Car Route Details
A richer read on the saved driving route between Decatur and Jacksonville.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
West Eldorado Street
Turn left onto West Eldorado Street
35.8 mi · 00h 41m
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 Rain And Snow Showers then Sunny leaving Decatur and Sunny near Jacksonville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Jacksonville?
The road trip is about 74.7 miles (120.2 km) and usually takes 01h 26m 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 37.3 miles from Decatur and 37.4 miles from Jacksonville.
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 6.7 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 3:36 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.92 one way or $19.84 round trip. Estimated CO2 is about 23.4 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain And Snow Showers then Sunny around Decatur and Sunny near Jacksonville.
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 Decatur and Jacksonville. Straight-line distance: 68.05 mi (109.51 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 Jacksonville
City in Morgan County, Illinois, United States
| Population | 18,488 |
| Coordinates | 39.7339400, -90.2290100 |
| Altitude | 186 |
| Country | United States |
End: Jacksonville (-90.22901, 39.73394)
Estimated Travel Time
Distance: 120 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 29m |
| 40 mph (64.37 km/h) | 01h 52m |
| 50 mph (80.47 km/h) | 01h 29m |
| 60 mph (96.56 km/h) | 01h 14m |
| 70 mph (112.65 km/h) | 01h 04m |
| 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 | $9.92 | $19.84 |
| Mid-grade | $4.25 | $11.19 | $22.37 |
| Premium | $4.65 | $12.24 | $24.48 |
| Diesel | $5.30 | $13.95 | $27.90 |
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.