How far is Shelbyville, IN from Decatur, IN?
The driving distance from Shelbyville, IN to Decatur, IN is about 127.8 miles (205.6 km), with a travel time of about 02h 22m by car.
- The straight-line flight distance is about 100.9 miles (162.4 km).
- For a round trip, plan for roughly 04h 45m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 02h 22m.
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.
County seat of Delaware County, Indiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Shelbyville and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Shelbyville and Decatur.
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1
Start on South Harrison Street
890 ft · 17 sec · South Harrison Street
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2
Enter the roundabout and take exit 2 toward Public Square
122 m · 7 sec · North Harrison Street
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3
Exit the rotary onto North Harrison Street
1972 ft · 35 sec · North Harrison Street
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4
Continue on North Riley Highway
680 ft · 12 sec · North Riley Highway
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5
Keep slight right to continue on North Riley Highway
3122 ft · 53 sec · North Riley Highway
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6
Turn slight right onto North Riley Highway
10.7 mi · 16 min · North Riley Highway
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7
Enter the roundabout and take exit 2 toward the route
37 m · 2 sec
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8
Exit the roundabout
8.8 mi · 13 min
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9
Take the ramp slight right
2509 ft · 1 min
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10
Merge slight left
18.6 mi · 20 min
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11
Take the exit slight right toward SR 3: New Castle, Spiceland
1726 ft · 42 sec
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12
Turn left
21 mi · 32 min
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13
Take the ramp right toward SR 3 North, SR 67 North: Portland
1697 ft · 41 sec
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14
Merge slight left onto Muncie Bypass
6.8 mi · 9 min · Muncie Bypass
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15
Take the exit straight toward SR 67 North: Portland
1719 ft · 47 sec
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16
Keep slight right
7.5 mi · 9 min
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17
Turn straight onto West Walnut Street
18.2 mi · 21 min · West Walnut Street
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18
Turn left onto North Meridian Street
15.1 mi · 17 min · North Meridian Street
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19
Continue on South Church Avenue
12.6 mi · 14 min · South Church Avenue
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20
Turn right onto West Monroe Street
2422 ft · 41 sec · West Monroe Street
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21
Arrive at your destination
0 m · 1 sec · West Monroe Street
Car Route Details
A richer read on the saved driving route between Shelbyville and Decatur.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Longest stretch
Turn left
21 mi · 00h 32m
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.
Chance Rain Showers leaving Shelbyville and Slight Chance Rain Showers near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Shelbyville to Decatur?
The road trip is about 127.8 miles (205.6 km) and usually takes 02h 22m 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?
Muncie is a useful midpoint, sitting about 61.3 miles from Shelbyville and 66.5 miles from Decatur.
How much longer is the road route than the straight-line distance?
The direct path is about 100.9 miles (162.4 km), while the road route adds roughly 26.9 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 EDT. If you want a more comfortable same-day return, try to leave by 1:44 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $17.42 one way or $34.84 round trip. Estimated CO2 is about 40.1 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Shelbyville and Slight Chance Rain Showers near Decatur.
Stop Ideas Near Muncie
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Daleville Town Hall Park and Splash Pad
City of Muncie
Housing Authority
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Muncie.
Connersville station
Indianapolis Union Station
Flight Path Map
This map shows the direct air route between Shelbyville and Decatur. Straight-line distance: 100.92 mi (162.41 km).
#1 Shelbyville
Township in Shelby County, Illinois
| Population | 19,508 |
| Coordinates | 39.5214400, -85.7769200 |
| Altitude | 233 |
| Country | United States |
#2 Decatur
City in Indiana, United States
| Population | 34,821 |
| Coordinates | 40.8306000, -84.9291300 |
| Altitude | 244 |
| Country | United States |
End: West Monroe Street (-84.929141, 40.83064)
Estimated Travel Time
Distance: 206 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 15m |
| 40 mph (64.37 km/h) | 03h 11m |
| 50 mph (80.47 km/h) | 02h 33m |
| 60 mph (96.56 km/h) | 02h 07m |
| 70 mph (112.65 km/h) | 01h 49m |
| 80 mph (129 km/h) | 01h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.86 | $17.42 | $34.84 |
| Mid-grade | $4.46 | $20.09 | $40.18 |
| Premium | $4.99 | $22.50 | $44.99 |
| Diesel | $6.62 | $29.86 | $59.72 |
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 · Oct 15, 2026