How far is Johnsonville, TN from Knoxville, TN?
The driving distance from Johnsonville, TN to Knoxville, TN is about 255.1 miles (410.5 km), with a travel time of about 04h 11m by car.
- The straight-line flight distance is about 225.4 miles (362.8 km).
- For a round trip, plan for roughly 08h 23m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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 11m.
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 Johnsonville and Knoxville.
Turn-by-Turn Driving Directions
Step-by-step road directions between Johnsonville and Knoxville.
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1
Start on Old Johnsonville Road
2.1 mi · 8 min · Old Johnsonville Road
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2
At the end of the road, turn left
30.7 mi · 46 min
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3
Continue on West College Street
1.5 mi · 3 min · West College Street
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4
Turn right onto SR 46
4.6 mi · 7 min · SR 46
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5
Take the exit left
1217 ft · 30 sec
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6
Merge slight left
34.8 mi · 38 min
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7
Keep slight right to continue on I 40 East, I 65 South: Knoxville, Huntsville
1305 ft · 25 sec
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8
Merge slight left onto Downtown Loop
2.4 mi · 3 min · Downtown Loop
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9
Continue on Downtown Loop
2764 ft · 43 sec · Downtown Loop
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10
Keep slight right to continue on I 40 East, I 24 East: Knoxville, Chattanooga
173.8 mi · 3 hr 10 min
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11
Keep slight left
2.9 mi · 4 min
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12
Take the exit slight right toward Convention Center, East Tennessee History Center, Museum of Art
2116 ft · 28 sec
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13
Keep slight left to continue on Convention Center, East Tennessee History Center, Museum of Art
2403 ft · 56 sec
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14
Continue on Henley Street
1238 ft · 27 sec · Henley Street
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15
Continue on Henley Street
78 m · 12 sec · Henley Street
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16
Arrive at your destination
0 m · 1 sec · Henley Street
Car Route Details
A richer read on the saved driving route between Johnsonville and Knoxville.
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 40 East
Keep slight right to continue on I 40 East, I 24 East: Knoxville, Chattanooga
174 mi · 03h 10m
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 Johnsonville and Showers And Thunderstorms Likely near Knoxville.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Johnsonville to Knoxville?
The road trip is about 255.1 miles (410.5 km) and usually takes 04h 11m 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 127.3 miles from Johnsonville and 127.8 miles from Knoxville.
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 29.7 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 CDT. If you want a more comfortable same-day return, try to leave by 8:36 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $33.94 one way or $67.88 round trip. Estimated CO2 is about 80 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Johnsonville and Knoxville, 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 Johnsonville and Showers And Thunderstorms Likely near Knoxville.
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 Johnsonville and Knoxville. Straight-line distance: 225.44 mi (362.81 km).
#1 Johnsonville
City in South Carolina, United States
| Population | 1,748 |
| Coordinates | 36.0600600, -87.9528100 |
| Altitude | 110 |
| Country | United States |
#2 Knoxville
The most populous city in Tennessee.
| Population | 190,223 |
| Coordinates | 35.9606400, -83.9207400 |
| Altitude | 276 |
| Country | United States |
End: US 11 (-83.920795, 35.960617)
Estimated Travel Time
Distance: 411 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 29m |
| 40 mph (64.37 km/h) | 06h 22m |
| 50 mph (80.47 km/h) | 05h 06m |
| 60 mph (96.56 km/h) | 04h 15m |
| 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 | $33.94 | $67.88 |
| Mid-grade | $4.25 | $38.28 | $76.55 |
| Premium | $4.65 | $41.89 | $83.77 |
| Diesel | $5.30 | $47.74 | $95.47 |
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.