How far is Knoxville, TN from South Pittsburg, TN?
The driving distance from Knoxville, TN to South Pittsburg, TN is about 139.8 miles (225 km), with a travel time of about 02h 39m by car.
- The straight-line flight distance is about 119.9 miles (192.9 km).
- For a round trip, plan for roughly 05h 18m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 39m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Human settlement in Bradley County, Tennessee, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Slight Chance Rain Showers
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Knoxville and South Pittsburg.
Turn-by-Turn Driving Directions
Step-by-step road directions between Knoxville and South Pittsburg.
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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
33.3 mi · 39 min
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10
Take the exit slight right toward US 72 West: South Pittsburg
977 ft · 33 sec
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11
Continue on North Cedar Avenue
2.2 mi · 3 min · North Cedar Avenue
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12
Turn right onto 3rd Street
1214 ft · 36 sec · 3rd Street
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13
Turn right
30 m · 7 sec
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14
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Knoxville and South Pittsburg.
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 comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Sunny then Slight Chance Rain Showers leaving Knoxville and Mostly Sunny near South Pittsburg.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Knoxville to South Pittsburg?
The road trip is about 139.8 miles (225 km) and usually takes 02h 39m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Charleston is a useful midpoint, sitting about 69.9 miles from Knoxville and 70 miles from South Pittsburg.
How much longer is the road route than the straight-line distance?
The direct path is about 119.9 miles (192.9 km), while the road route adds roughly 19.9 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 1:12 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $18.59 one way or $37.18 round trip. Estimated CO2 is about 43.8 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Knoxville and South Pittsburg, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Slight Chance Rain Showers around Knoxville and Mostly Sunny near South Pittsburg.
Flight Path Map
This map shows the direct air route between Knoxville and South Pittsburg. Straight-line distance: 119.84 mi (192.87 km).
#1 Knoxville
The most populous city in Tennessee.
| Population | 190,223 |
| Coordinates | 35.9606400, -83.9207400 |
| Altitude | 276 |
| Country | United States |
#2 South Pittsburg
City in Marion County, Tennessee, United States
| Population | 3,009 |
| Coordinates | 35.0123000, -85.7044100 |
| Altitude | 192 |
| Country | United States |
End: South Pittsburg (-85.70441, 35.0123)
Estimated Travel Time
Distance: 225 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 39m |
| 40 mph (64.37 km/h) | 03h 29m |
| 50 mph (80.47 km/h) | 02h 47m |
| 60 mph (96.56 km/h) | 02h 19m |
| 70 mph (112.65 km/h) | 01h 59m |
| 80 mph (129 km/h) | 01h 44m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $18.59 | $37.18 |
| Mid-grade | $4.25 | $20.97 | $41.93 |
| Premium | $4.65 | $22.94 | $45.89 |
| Diesel | $5.30 | $26.15 | $52.30 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.