How far is Knoxville, TN from Johnsonville, TN?
The driving distance from Knoxville, TN to Johnsonville, TN is about 254.5 miles (409.6 km), with a travel time of about 05h 01m by car.
- The straight-line flight distance is about 225.4 miles (362.8 km).
- For a round trip, plan for roughly 10h 02m 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 05h 01m.
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
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between Knoxville and Johnsonville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Knoxville and Johnsonville.
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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 right to continue on Nashville
154.8 mi · 2 hr 47 min
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8
Keep slight right to continue on I 24 West, I 40 West: Nashville
2.1 mi · 3 min
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9
Keep slight left to continue on I 40 West: Huntsville, Memphis
2263 ft · 43 sec
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10
Merge slight right onto Downtown Loop
1 km · 52 sec · Downtown Loop
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11
Continue on Downtown Loop
2.3 mi · 3 min · Downtown Loop
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12
Keep slight left to continue on I 40 West: Memphis
35.1 mi · 39 min
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13
Take the exit slight right toward SR 46: Centerville, Dickson
1446 ft · 31 sec
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14
Turn right
4.4 mi · 7 min
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15
Turn left onto East College Street
1.4 mi · 3 min · East College Street
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16
Continue on West College Street
1.8 mi · 3 min · West College Street
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17
Continue on Broadway of America Highway
29 mi · 43 min · Broadway of America Highway
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18
Turn right onto Old Johnsonville Road
958 ft · 42 sec · Old Johnsonville Road
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19
Keep slight right to continue on Old Johnsonville Road
1.9 mi · 7 min · Old Johnsonville Road
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20
Arrive at your destination
0 m · 1 sec · Old Johnsonville Road
Car Route Details
A richer read on the saved driving route between Knoxville and Johnsonville.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Nashville
Keep slight right to continue on Nashville
155 mi · 02h 47m
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 Knoxville and Showers And Thunderstorms Likely near Johnsonville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Knoxville to Johnsonville?
The road trip is about 254.5 miles (409.6 km) and usually takes 05h 01m 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 127.1 miles from Knoxville and 127.4 miles from Johnsonville.
How much longer is the road route than the straight-line distance?
The direct path is about 225.4 miles (362.8 km), while the road route adds roughly 29.1 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 6:58 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.86 one way or $67.73 round trip. Estimated CO2 is about 79.8 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Knoxville and Johnsonville, 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 Knoxville and Showers And Thunderstorms Likely near Johnsonville.
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 Knoxville and Johnsonville. Straight-line distance: 225.44 mi (362.81 km).
#1 Knoxville
The most populous city in Tennessee.
| Population | 190,223 |
| Coordinates | 35.9606400, -83.9207400 |
| Altitude | 276 |
| Country | United States |
#2 Johnsonville
City in South Carolina, United States
| Population | 1,748 |
| Coordinates | 36.0600600, -87.9528100 |
| Altitude | 110 |
| Country | United States |
End: Johnsonville (-87.95281, 36.06006)
Estimated Travel Time
Distance: 410 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 28m |
| 40 mph (64.37 km/h) | 06h 21m |
| 50 mph (80.47 km/h) | 05h 05m |
| 60 mph (96.56 km/h) | 04h 14m |
| 70 mph (112.65 km/h) | 03h 38m |
| 80 mph (129 km/h) | 03h 10m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $33.86 | $67.73 |
| Mid-grade | $4.25 | $38.19 | $76.38 |
| Premium | $4.65 | $41.79 | $83.59 |
| Diesel | $5.30 | $47.63 | $95.26 |
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 · Jun 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.