How far is Decatur, IN from Clarksville, IN?
The driving distance from Decatur, IN to Clarksville, IN is about 226.1 miles (363.8 km), with a travel time of about 04h 19m by car.
- The straight-line flight distance is about 180.6 miles (290.6 km).
- For a round trip, plan for roughly 08h 39m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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 04h 19m.
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.
Included town in Indianapolis, Indiana, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers then Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Decatur and Clarksville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Clarksville.
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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 right
1.6 km · 1 min
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10
Continue on I 465 South, I 69 South
15.4 mi · 18 min
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11
Take the exit slight right toward Emerson Avenue
1296 ft · 32 sec
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12
Keep slight left
1069 ft · 28 sec
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13
Turn straight onto South Emerson Avenue
2.6 mi · 4 min · South Emerson Avenue
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14
Turn right onto East Southport Road
2440 ft · 53 sec · East Southport Road
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15
Take the ramp left
1656 ft · 43 sec
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16
Merge slight left
100.4 mi · 1 hr 48 min
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17
Take the exit slight right toward Eastern Boulevard
1007 ft · 22 sec
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18
Turn straight
1322 ft · 27 sec
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19
Turn right onto Eastern Boulevard
991 ft · 35 sec · Eastern Boulevard
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20
Turn left onto East Brooks Avenue
10 m · 1 sec · East Brooks Avenue
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21
Arrive at your destination
0 m · 1 sec · East Brooks Avenue
Car Route Details
A richer read on the saved driving route between Decatur and Clarksville.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
East Southport Road
Merge slight left
100 mi · 01h 48m
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.
Slight Chance Rain Showers then Sunny leaving Decatur and Sunny near Clarksville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Clarksville?
The road trip is about 226.1 miles (363.8 km) and usually takes 04h 19m 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?
Warren Park is a useful midpoint, sitting about 113.1 miles from Decatur and 113 miles from Clarksville.
How much longer is the road route than the straight-line distance?
The direct path is about 180.6 miles (290.6 km), while the road route adds roughly 45.5 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 EDT. If you want a more comfortable same-day return, try to leave by 8:20 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $30.09 one way or $60.19 round trip. Estimated CO2 is about 70.9 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers then Sunny around Decatur and Sunny near Clarksville.
Stop Ideas Near Warren Park
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 Warren Park.
Indianapolis Union Station
Crawfordsville
Connersville station
Crawfordsville (Bus), Indiana
Flight Path Map
This map shows the direct air route between Decatur and Clarksville. Straight-line distance: 180.58 mi (290.61 km).
#1 Decatur
City in Indiana, United States
| Population | 34,821 |
| Coordinates | 40.8306000, -84.9291300 |
| Altitude | 244 |
| Country | United States |
#2 Clarksville
Town in Clark County, Indiana, United States
| Population | 21,447 |
| Coordinates | 38.2967400, -85.7599600 |
| Altitude | 139 |
| Country | United States |
End: Clarksville (-85.75996, 38.29674)
Estimated Travel Time
Distance: 364 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 31m |
| 40 mph (64.37 km/h) | 05h 39m |
| 50 mph (80.47 km/h) | 04h 31m |
| 60 mph (96.56 km/h) | 03h 46m |
| 70 mph (112.65 km/h) | 03h 13m |
| 80 mph (129 km/h) | 02h 49m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $30.09 | $60.19 |
| Mid-grade | $4.25 | $33.94 | $67.88 |
| Premium | $4.65 | $37.14 | $74.28 |
| Diesel | $5.30 | $42.33 | $84.65 |
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 · 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.