How far is Decatur, TN from Clarksville, TN?
The driving distance from Decatur, TN to Clarksville, TN is about 209.2 miles (336.7 km), with a travel time of about 03h 32m by car.
- The straight-line flight distance is about 159.8 miles (257.1 km).
- For a round trip, plan for roughly 07h 04m 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 03h 32m.
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.
Town in Smith County, Tennessee, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Chance Rain Showers then Chance Showers And Thunderstorms
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 Highway 58
1196 ft · 25 sec · Highway 58
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2
Turn left onto River Road
8.7 mi · 15 min · River Road
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3
Turn left
3194 ft · 50 sec
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4
Continue on Watts Bar Highway
6.1 mi · 8 min · Watts Bar Highway
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5
Turn right onto New Lake Road
3.4 mi · 6 min · New Lake Road
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6
Continue on Piccadilly Avenue
2655 ft · 53 sec · Piccadilly Avenue
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7
Continue on Herb M Wassom Mem Highway
635 ft · 13 sec · Herb M Wassom Mem Highway
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8
At the end of the road, turn right onto Herb M Wassom Mem Highway
1448 ft · 31 sec · Herb M Wassom Mem Highway
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9
Continue on Wassom Memorial Highway
19.8 mi · 30 min · Wassom Memorial Highway
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10
Turn straight
7.7 mi · 12 min
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11
Take the exit left
983 ft · 24 sec
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12
Merge slight left
104.1 mi · 1 hr 52 min
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13
Keep slight right to continue on I 24 West, I 40 West: Nashville
2.1 mi · 3 min
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14
Keep slight right to continue on I 24 West: Clarksville, Louisville
1725 ft · 28 sec
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15
Merge slight left onto Downtown Loop
2.3 mi · 3 min · Downtown Loop
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16
Continue on I 24 West, I 65 North: Clarksville, Louisville
2.1 mi · 3 min
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17
Take the exit slight left toward I 24 West: Clarksville
33.9 mi · 37 min
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18
Take the exit slight right toward TN 76
1680 ft · 41 sec
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19
Keep slight left
86 m · 10 sec
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20
Continue straight
3.4 mi · 4 min
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21
Turn right onto Madison Street
4.7 mi · 8 min · Madison Street
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22
Turn right onto University Avenue
1877 ft · 44 sec · University Avenue
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23
At the end of the road, turn left onto College Street
1772 ft · 46 sec · College Street
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24
Turn left onto North 2nd Street
41 m · 3 sec · North 2nd Street
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25
Arrive at your destination
0 m · 1 sec · North 2nd Street
Car Route Details
A richer read on the saved driving route between Decatur and Clarksville.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Wassom Memorial Highway
Merge slight left
104 mi · 01h 52m
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.
Showers And Thunderstorms Likely leaving Decatur and Chance Rain Showers then Chance Showers And Thunderstorms 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 209.2 miles (336.7 km) and usually takes 03h 32m 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?
Gordonsville is a useful midpoint, sitting about 100.8 miles from Decatur and 108.4 miles from Clarksville.
How much longer is the road route than the straight-line distance?
The direct path is about 159.8 miles (257.1 km), while the road route adds roughly 49.4 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 EDT. If you want a more comfortable same-day return, try to leave by 9:56 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $27.83 one way or $55.66 round trip. Estimated CO2 is about 65.6 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Decatur and Clarksville, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around Decatur and Chance Rain Showers then Chance Showers And Thunderstorms near Clarksville.
Stop Ideas Near Gordonsville
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 Gordonsville.
Nashville, TN
Flight Path Map
This map shows the direct air route between Decatur and Clarksville. Straight-line distance: 159.78 mi (257.14 km).
#1 Decatur
Human settlement in Meigs County, Tennessee, United States of America
| Population | 1,663 |
| Coordinates | 35.5147900, -84.7902200 |
| Altitude | 237 |
| Country | United States |
#2 Clarksville
The second most populous city in Tennessee.
| Population | 161,247 |
| Coordinates | 36.5297700, -87.3594500 |
| Altitude | 145 |
| Country | United States |
End: North 2nd Street (-87.359454, 36.529769)
Estimated Travel Time
Distance: 337 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 58m |
| 40 mph (64.37 km/h) | 05h 13m |
| 50 mph (80.47 km/h) | 04h 11m |
| 60 mph (96.56 km/h) | 03h 29m |
| 70 mph (112.65 km/h) | 02h 59m |
| 80 mph (129 km/h) | 02h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $27.83 | $55.66 |
| Mid-grade | $4.25 | $31.39 | $62.77 |
| Premium | $4.65 | $34.35 | $68.69 |
| Diesel | $5.30 | $39.14 | $78.29 |
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 Tennessee · May 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.