How far is Saline, IL from Decatur, IL?
The driving distance from Saline, IL to Decatur, IL is about 180.7 miles (290.8 km), with a travel time of about 03h 20m by car.
- The straight-line flight distance is about 152.3 miles (245.1 km).
- For a round trip, plan for roughly 06h 40m 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 20m.
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.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Saline and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saline and Decatur.
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1
Start on Peabody Road
1.1 mi · 4 min · Peabody Road
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2
Turn left
3.7 mi · 6 min
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3
Turn left onto Mill Street
1.1 mi · 3 min · Mill Street
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4
Continue on Carrier Mills Road
2.4 mi · 6 min · Carrier Mills Road
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5
Turn left
18 mi · 23 min
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6
Take the exit slight right
1.1 mi · 2 min
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7
Merge slight left onto Ken Gray Expressway
41.3 mi · 45 min · Ken Gray Expressway
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8
Keep slight right to continue on Ken Gray Expressway
20.5 mi · 22 min · Ken Gray Expressway
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9
Take the exit slight right toward US 50: Salem, Sandoval
2199 ft · 54 sec
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10
Merge slight left onto West Main Street
2.4 mi · 3 min · West Main Street
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11
Continue on East Poplar Street
2.7 mi · 3 min · East Poplar Street
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12
Continue on Poplar
2.7 mi · 3 min · Poplar
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13
Turn right onto 150E
10.4 mi · 12 min · 150E
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14
Continue on 300E
13.5 mi · 15 min · 300E
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15
Turn left
2405 ft · 35 sec
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16
Turn right onto North Kennedy Boulevard
1.6 mi · 2 min · North Kennedy Boulevard
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17
Continue on County Road 875 East
11.1 mi · 13 min · County Road 875 East
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18
Continue on South Superior Street
15.1 mi · 17 min · South Superior Street
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19
Continue on County Road 2400 East
2 mi · 3 min · County Road 2400 East
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20
Continue on Fair Avenue
3070 ft · 2 min · Fair Avenue
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21
Continue on South Poplar Street
2138 ft · 32 sec · South Poplar Street
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22
Turn right onto East 1st Street
2150 ft · 1 min · East 1st Street
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23
Turn left onto Cedar Street
116 m · 5 sec · Cedar Street
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24
Turn right onto Jackson Street
2709 ft · 2 min · Jackson Street
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25
Continue on North 2600 East Road
1.6 km · 2 min · North 2600 East Road
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26
Turn left
28.7 mi · 33 min
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27
Take the exit slight right toward Decatur
2582 ft · 1 min
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28
Keep slight right to continue on Decatur
44 m · 4 sec
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29
Turn straight onto South Business Route 51
2.6 mi · 4 min · South Business Route 51
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30
Continue on South Main Street
769 ft · 19 sec · South Main Street
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31
Continue on South Franklin Street
1.2 mi · 2 min · South Franklin Street
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32
Turn left onto East Wood Street
155 m · 16 sec · East Wood Street
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33
Arrive at your destination
0 m · 1 sec · East Wood Street
Car Route Details
A richer read on the saved driving route between Saline and Decatur.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Ken Gray Expressway
Merge slight left onto Ken Gray Expressway
41.3 mi · 00h 45m
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.
Sunny leaving Saline and Slight Chance Showers And Thunderstorms then Mostly Sunny near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saline to Decatur?
The road trip is about 180.7 miles (290.8 km) and usually takes 03h 20m 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?
Odin is a useful midpoint, sitting about 94 miles from Saline and 86.8 miles from Decatur.
How much longer is the road route than the straight-line distance?
The direct path is about 152.3 miles (245.1 km), while the road route adds roughly 28.4 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 10:20 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.06 one way or $48.12 round trip. Estimated CO2 is about 56.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Saline and Slight Chance Showers And Thunderstorms then Mostly Sunny near Decatur.
Stop Ideas Near Odin
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 Odin.
Centralia station
Mt. Vernon, IL
Du Quoin
Effingham
Flight Path Map
This map shows the direct air route between Saline and Decatur. Straight-line distance: 152.3 mi (245.1 km).
#1 Saline
This southern Illinois community, with a population of approximately 23,182, is situated at an elevation of 400 feet in Saline County.
| Population | 23,182 |
| Coordinates | 37.6453300, -88.6958900 |
| Altitude | 122 |
| 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: 291 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 01m |
| 40 mph (64.37 km/h) | 04h 31m |
| 50 mph (80.47 km/h) | 03h 36m |
| 60 mph (96.56 km/h) | 03h 00m |
| 70 mph (112.65 km/h) | 02h 34m |
| 80 mph (129 km/h) | 02h 15m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $24.06 | $48.12 |
| Mid-grade | $4.25 | $27.13 | $54.27 |
| Premium | $4.65 | $29.69 | $59.39 |
| Diesel | $5.30 | $33.84 | $67.68 |
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.