How far is Knoxville, TN from Decherd, TN?
The driving distance from Knoxville, TN to Decherd, TN is about 175.7 miles (282.7 km), with a travel time of about 03h 23m by car.
- The straight-line flight distance is about 131.9 miles (212.3 km).
- For a round trip, plan for roughly 06h 46m 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 23m.
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.
Census-designated place in Hamilton County, Tennessee
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Knoxville and Decherd.
Turn-by-Turn Driving Directions
Step-by-step road directions between Knoxville and Decherd.
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1
Start on Henley Street
1056 ft · 20 sec · Henley Street
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2
Continue on Henley Street
727 ft · 14 sec · Henley Street
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3
Turn slight left onto Western Avenue
1.1 km · 1 min · Western Avenue
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4
Turn left onto Ailor Avenue
2326 ft · 43 sec · Ailor Avenue
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5
Take the ramp straight toward I 40 West, I 75 South
1637 ft · 40 sec
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6
Merge slight left
18.3 mi · 21 min
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7
Keep slight left to continue on I 75 South: Chattanooga
83.1 mi · 1 hr 31 min
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8
Take the exit slight right toward I 24 West: Chattanooga, Nashville
1.1 km · 56 sec
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9
Continue on Chattanooga, Nashville
58.5 mi · 1 hr 9 min
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10
Take the exit slight right toward US 64 West, TN 50: Pelham, Winchester
948 ft · 27 sec
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11
Keep slight left to continue on US 64 West, TN 50: Pelham, Winchester
37 m · 9 sec
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12
Continue straight
10.2 mi · 12 min
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13
Take the exit slight right
1563 ft · 43 sec
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14
Keep slight right
1.4 km · 1 min
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15
At the end of the road, turn left onto Old Alto Highway
1.4 km · 1 min · Old Alto Highway
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16
Continue on East Main Street
1.2 km · 1 min · East Main Street
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17
Turn right
101 m · 15 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 Knoxville and Decherd.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 75 South
Keep slight left to continue on I 75 South: Chattanooga
83.1 mi · 01h 31m
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 Knoxville and Sunny near Decherd.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Knoxville to Decherd?
The road trip is about 175.7 miles (282.7 km) and usually takes 03h 23m 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?
Ooltewah is a useful midpoint, sitting about 87.8 miles from Knoxville and 87.9 miles from Decherd.
How much longer is the road route than the straight-line distance?
The direct path is about 131.9 miles (212.3 km), while the road route adds roughly 43.8 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 10:14 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.38 one way or $46.76 round trip. Estimated CO2 is about 55.1 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Knoxville and Decherd, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Knoxville and Sunny near Decherd.
Flight Path Map
This map shows the direct air route between Knoxville and Decherd. Straight-line distance: 131.92 mi (212.31 km).
#1 Knoxville
The most populous city in Tennessee.
| Population | 190,223 |
| Coordinates | 35.9606400, -83.9207400 |
| Altitude | 276 |
| Country | United States |
#2 Decherd
City in Franklin County, Tennessee, United States
| Population | 2,372 |
| Coordinates | 35.2098000, -86.0794300 |
| Altitude | 292 |
| Country | United States |
End: Decherd (-86.07943, 35.2098)
Estimated Travel Time
Distance: 283 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 51m |
| 40 mph (64.37 km/h) | 04h 23m |
| 50 mph (80.47 km/h) | 03h 30m |
| 60 mph (96.56 km/h) | 02h 55m |
| 70 mph (112.65 km/h) | 02h 30m |
| 80 mph (129 km/h) | 02h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $23.38 | $46.76 |
| Mid-grade | $4.25 | $26.37 | $52.74 |
| Premium | $4.65 | $28.85 | $57.71 |
| Diesel | $5.30 | $32.88 | $65.77 |
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 · Apr 11, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.