How far is Knoxville, TN from Sweetwater, TN?
The driving distance from Knoxville, TN to Sweetwater, TN is about 45.5 miles (73.2 km), with a travel time of about 00h 53m by car.
- The straight-line flight distance is about 39.1 miles (63 km).
- For a round trip, plan for roughly 01h 47m 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 00h 53m.
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.
City in Loudon County, Tennessee, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Clear
Driving Route Map
The map below follows the saved road route between Knoxville and Sweetwater.
Turn-by-Turn Driving Directions
Step-by-step road directions between Knoxville and Sweetwater.
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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
21.9 mi · 23 min
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8
Take the exit slight right toward SR 322: Sweetwater
1836 ft · 38 sec
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9
Turn left onto Oakland Road
2.6 mi · 5 min · Oakland Road
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10
Turn right onto North Main Street
2890 ft · 49 sec · North Main Street
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11
Arrive at your destination
0 m · 1 sec · North Main Street
Car Route Details
A richer read on the saved driving route between Knoxville and Sweetwater.
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
21.9 mi · 00h 24m
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.
Sunny leaving Knoxville and Clear near Sweetwater.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Knoxville to Sweetwater?
The road trip is about 45.5 miles (73.2 km) and usually takes 00h 53m 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?
Lenoir City is a useful midpoint, sitting about 22.7 miles from Knoxville and 22.7 miles from Sweetwater.
How much longer is the road route than the straight-line distance?
The direct path is about 39.1 miles (63 km), while the road route adds roughly 6.4 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 4:42 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.25 one way or $12.49 round trip. Estimated CO2 is about 14.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Knoxville and Clear near Sweetwater.
Flight Path Map
This map shows the direct air route between Knoxville and Sweetwater. Straight-line distance: 39.15 mi (63.01 km).
#1 Knoxville
The most populous city in Tennessee.
| Population | 190,223 |
| Coordinates | 35.9606400, -83.9207400 |
| Altitude | 276 |
| Country | United States |
#2 Sweetwater
Sweetwater is a place in Tennessee, United States.
| Population | 0 |
| Coordinates | 35.6014600, -84.4610400 |
| Altitude | 278 |
| Country | United States |
End: Sweetwater (-84.46104, 35.60146)
Estimated Travel Time
Distance: 73 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 30m |
| 40 mph (64.37 km/h) | 01h 08m |
| 50 mph (80.47 km/h) | 00h 54m |
| 60 mph (96.56 km/h) | 00h 45m |
| 70 mph (112.65 km/h) | 00h 38m |
| 80 mph (129 km/h) | 00h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.90 | $6.25 | $12.49 |
| Mid-grade | $4.37 | $6.98 | $13.97 |
| Premium | $4.77 | $7.64 | $15.28 |
| Diesel | $6.00 | $9.60 | $19.21 |
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 · Oct 15, 2026