How far is Decatur, IN from Indianapolis, IN?
The driving distance from Decatur, IN to Indianapolis, IN is about 125 miles (201.1 km), with a travel time of about 02h 05m by car.
- The straight-line flight distance is about 97.9 miles (157.5 km).
- For a round trip, plan for roughly 04h 10m 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 05m.
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
Partly Cloudy
Driving Route Map
The map below follows the saved road route between Decatur and Indianapolis.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Indianapolis.
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1
Start on West Monroe Street
2422 ft · 47 sec · West Monroe Street
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2
Turn left onto North 13th Street
12.6 mi · 14 min · North 13th Street
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3
Continue on South Harrison Street
15.1 mi · 17 min · South Harrison Street
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4
Turn right onto West Votaw Street
18.2 mi · 21 min · West Votaw Street
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5
Continue on West State Street
9.2 mi · 12 min · West State Street
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6
Turn right onto East McGalliard Road
10.2 mi · 16 min · East McGalliard Road
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7
Take the ramp left
1053 ft · 28 sec
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8
Merge slight left
39 mi · 42 min
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9
Keep slight left
1065 ft · 13 sec
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10
Merge slight left
1508 ft · 23 sec
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11
Continue on Binford Boulevard
6.4 mi · 10 min · Binford Boulevard
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12
Continue on East Fall Creek Parkway North Drive
3 mi · 6 min · East Fall Creek Parkway North Drive
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13
Continue on East Fall Creek Parkway, North Drive
1215 ft · 32 sec · East Fall Creek Parkway, North Drive
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14
Turn left onto North Meridian Street
2.4 mi · 7 min · North Meridian Street
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15
Turn right onto Monument Circle
112 m · 47 sec · Monument Circle
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16
Turn left
23 m · 7 sec
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17
At the end of the road, turn right
78 m · 28 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Decatur and Indianapolis.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
East McGalliard Road
Merge slight left
39 mi · 00h 42m
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 Decatur and Partly Cloudy near Indianapolis.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Indianapolis?
The road trip is about 125 miles (201.1 km) and usually takes 02h 05m 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 58.7 miles from Decatur and 66.2 miles from Indianapolis.
How much longer is the road route than the straight-line distance?
The direct path is about 97.9 miles (157.5 km), while the road route adds roughly 27.1 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 EDT. If you want a more comfortable same-day return, try to leave by 2:20 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.63 one way or $33.26 round trip. Estimated CO2 is about 39.2 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Decatur and Partly Cloudy near Indianapolis.
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 Decatur and Indianapolis. Straight-line distance: 97.88 mi (157.52 km).
#1 Decatur
City in Indiana, United States
| Population | 34,821 |
| Coordinates | 40.8306000, -84.9291300 |
| Altitude | 244 |
| Country | United States |
#2 Indianapolis
The sixteenth most populous city in the United States and the center of the Indianapolis metropolitan area.
| Population | 877,903 |
| Coordinates | 39.7683800, -86.1580400 |
| Altitude | 218 |
| Country | United States |
End: Monument Circle (-86.158009, 39.768033)
Estimated Travel Time
Distance: 201 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 09m |
| 40 mph (64.37 km/h) | 03h 07m |
| 50 mph (80.47 km/h) | 02h 29m |
| 60 mph (96.56 km/h) | 02h 04m |
| 70 mph (112.65 km/h) | 01h 47m |
| 80 mph (129 km/h) | 01h 33m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $16.63 | $33.26 |
| Mid-grade | $4.25 | $18.76 | $37.51 |
| Premium | $4.65 | $20.52 | $41.05 |
| Diesel | $5.30 | $23.39 | $46.78 |
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 · May 07, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.