How far is South Pittsburg, TN from Knoxville, TN?

The driving distance from South Pittsburg, TN to Knoxville, TN is about 139.9 miles (225.1 km), with a travel time of about 02h 12m by car.

  • The straight-line flight distance is about 119.9 miles (192.9 km).
  • For a round trip, plan for roughly 04h 25m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
139.85 mi
02h 12m
Flight
119.84 mi
192.87 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from South Pittsburg.

Flight Distance

Direct air line
119.84 mi
Kilometers
192.87 km
Flight Time
00h 14m

Driving Distance

Road route
139.85 mi
Kilometers
225.06 km
Drive Time
02h 12m

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 12m.

Arrival Snapshot
Arrive in Knoxville
Sat, Apr 18, 12:10 PM EDT
Return by in South Pittsburg
Sat, Apr 18, 1:23 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave South Pittsburg
2026-04-18T08:57
Arrive Knoxville
Sat, Apr 18, 11:10 AM CDT
Route Timing
02h 12m
One way by road
Best Departure Window
8:00 AM to 10:00 AM CDT
Aim for a morning departure
Arrive between
11:13 AM to 1:13 PM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
2:04 PM CDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in South Pittsburg
9:30 PM CDT
Morning start is best

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Charleston
TN

Human settlement in Bradley County, Tennessee, United States of America

From South Pittsburg
69.8 mi
01h 06m
To Knoxville
70 mi
01h 06m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Saturday

Mostly Sunny

Starts
Sat, Apr 18 5:00 AM CDT
Wind
0 to 10 mph SW
Destination
88°F
Saturday

Mostly Sunny then Slight Chance Rain Showers

Starts
Sat, Apr 18 6:00 AM EDT
Wind
0 to 15 mph S

Driving Route Map

The map below follows the saved road route between South Pittsburg and Knoxville.

Turn-by-Turn Driving Directions

Step-by-step road directions between South Pittsburg and Knoxville.

  1. 1

    Start on the route

    30 m · 13 sec

  2. 2

    Turn left onto 3rd Street

    1214 ft · 35 sec · 3rd Street

  3. 3

    Turn left

    2.1 mi · 3 min

  4. 4

    Take the exit slight right toward I-24 East: Chattanooga

    1068 ft · 26 sec

  5. 5

    Merge slight left

    33.1 mi · 38 min

  6. 6

    Keep slight left to continue on I 75 North: Knoxville

    1.4 km · 1 min

  7. 7

    Merge slight left

    99.2 mi · 1 hr 50 min

  8. 8

    Keep slight left

    2.9 mi · 4 min

  9. 9

    Take the exit slight right toward Convention Center, East Tennessee History Center, Museum of Art

    2116 ft · 28 sec

  10. 10

    Keep slight left to continue on Convention Center, East Tennessee History Center, Museum of Art

    2403 ft · 56 sec

  11. 11

    Continue on Henley Street

    1238 ft · 27 sec · Henley Street

  12. 12

    Continue on Henley Street

    78 m · 12 sec · Henley Street

  13. 13

    Arrive at your destination

    0 m · 1 sec · Henley Street

Car Route Details

A richer read on the saved driving route between South Pittsburg and Knoxville.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
13 steps
2 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
9.3 / 100 mi
Decision points by distance
Main Roads
I 75 North
103 mi · 74%
I-24 East
33.3 mi · 24%
Convention Center
0.86 mi · 1%
Henley Street
0.28 mi
3rd Street
0.23 mi
Longest Stretch

I 75 North

Merge slight left

99.2 mi · 01h 50m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
02h 12m
Day trip friendly
Same-Day Return
04h 26m
Round-trip wheel time
Road vs Air
+20 mi
119.9 mi direct line
Halfway Stop
Charleston
01h 06m from South Pittsburg
Leave By
2:04 PM CDT
Morning start is best
Weather Watch

Mostly Sunny leaving South Pittsburg and Mostly Sunny then Slight Chance Rain Showers near Knoxville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from South Pittsburg to Knoxville?

The road trip is about 139.9 miles (225.1 km) and usually takes 02h 12m 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 69.8 miles from South Pittsburg and 70 miles from Knoxville.

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 20 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 CDT. If you want a more comfortable same-day return, try to leave by 2:04 PM CDT.

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 South Pittsburg and Knoxville, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Mostly Sunny around South Pittsburg and Mostly Sunny then Slight Chance Rain Showers near Knoxville.

Flight Path Map

This map shows the direct air route between South Pittsburg and Knoxville. Straight-line distance: 119.84 mi (192.87 km).

South Pittsburg

#1 South Pittsburg

City in Marion County, Tennessee, United States

Population3,009
Coordinates35.0123000, -85.7044100
Altitude192
CountryUnited States
Knoxville

#2 Knoxville

The most populous city in Tennessee.

Population190,223
Coordinates35.9606400, -83.9207400
Altitude276
CountryUnited States
Start: 3rd Street (-85.704557, 35.01206)
End: US 11 (-83.920795, 35.960617)

Estimated Travel Time

Distance: 225 km by road

SpeedTime
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.

One-way fuel
4.93 gal
18.68 L · about $18.59
Round trip
$37.18
9.86 gal · 37.36 L
Estimated CO2
43.8 kg one way
Round trip: 87.6 kg / 193 lb CO2, using regular gasoline.
Fuel$/galOne wayRound 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

Please keep in mind that there is a 1 hour time gap between South Pittsburg, TN and Knoxville, TN. The current time in South Pittsburg is 08:57:43, although it is 09:57:43 in Knoxville.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.