How far is Knoxville, TN from Smyrna, TN?
The driving distance from Knoxville, TN to Smyrna, TN is about 297.4 miles (478.6 km), with a travel time of about 04h 28m by car.
- The straight-line flight distance is about 246.7 miles (397 km).
- For a round trip, plan for roughly 08h 57m 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 04h 28m.
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.
City in Wilson County, Tennessee, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Knoxville and Smyrna.
Turn-by-Turn Driving Directions
Step-by-step road directions between Knoxville and Smyrna.
-
1
Start on Henley Street
1056 ft · 20 sec · Henley Street
-
2
Continue on Henley Street
727 ft · 14 sec · Henley Street
-
3
Turn slight left onto Western Avenue
1.1 km · 1 min · Western Avenue
-
4
Turn left onto Ailor Avenue
2326 ft · 43 sec · Ailor Avenue
-
5
Take the ramp straight toward I 40 West, I 75 South
1637 ft · 40 sec
-
6
Merge slight left
18.3 mi · 21 min
-
7
Keep slight right to continue on Nashville
154.8 mi · 2 hr 47 min
-
8
Keep slight right to continue on I 24 West, I 40 West: Nashville
2.1 mi · 3 min
-
9
Keep slight left to continue on I 40 West: Huntsville, Memphis
2263 ft · 43 sec
-
10
Merge slight right onto Downtown Loop
1 km · 52 sec · Downtown Loop
-
11
Continue on Downtown Loop
2.3 mi · 3 min · Downtown Loop
-
12
Keep slight left to continue on I 40 West: Memphis
81.7 mi · 1 hr 28 min
-
13
Take the exit slight right toward US 641: Camden, Paris, Parsons
947 ft · 27 sec
-
14
Keep slight right
59 m · 5 sec
-
15
Merge slight left
13.7 mi · 16 min
-
16
Turn left
1.6 mi · 2 min
-
17
At the end of the road, turn left
7.8 mi · 12 min
-
18
Turn left
4.1 mi · 7 min
-
19
Turn right onto Buena Vista Road
2.5 mi · 6 min · Buena Vista Road
-
20
Turn left onto Smyrna Road
2 mi · 8 min · Smyrna Road
-
21
Turn right onto Buck Ditch Road
18 m · 3 sec · Buck Ditch Road
-
22
Arrive at your destination
0 m · 1 sec · Buck Ditch Road
Car Route Details
A richer read on the saved driving route between Knoxville and Smyrna.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
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.
Partly Sunny leaving Knoxville and Chance Showers And Thunderstorms near Smyrna.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Knoxville to Smyrna?
The road trip is about 297.4 miles (478.6 km) and usually takes 04h 28m 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?
Lebanon is a useful midpoint, sitting about 146.8 miles from Knoxville and 150.6 miles from Smyrna.
How much longer is the road route than the straight-line distance?
The direct path is about 246.7 miles (397 km), while the road route adds roughly 50.7 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 EDT. If you want a more comfortable same-day return, try to leave by 8:02 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $39.60 one way or $79.19 round trip. Estimated CO2 is about 93.3 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Knoxville and Smyrna, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Partly Sunny around Knoxville and Chance Showers And Thunderstorms near Smyrna.
Stop Ideas Near Lebanon
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 Lebanon.
Nashville, TN
Clarksville, TN
Flight Path Map
This map shows the direct air route between Knoxville and Smyrna. Straight-line distance: 246.67 mi (396.98 km).
#1 Knoxville
The most populous city in Tennessee.
| Population | 190,223 |
| Coordinates | 35.9606400, -83.9207400 |
| Altitude | 276 |
| Country | United States |
#2 Smyrna
Town in Rutherford County, Tennessee, United States
| Population | 53,185 |
| Coordinates | 35.9564500, -88.3317100 |
| Altitude | 157 |
| Country | United States |
End: Buck Ditch Road (-88.331713, 35.956423)
Estimated Travel Time
Distance: 479 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 54m |
| 40 mph (64.37 km/h) | 07h 26m |
| 50 mph (80.47 km/h) | 05h 56m |
| 60 mph (96.56 km/h) | 04h 57m |
| 70 mph (112.65 km/h) | 04h 14m |
| 80 mph (129 km/h) | 03h 42m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $39.60 | $79.19 |
| Mid-grade | $4.25 | $44.66 | $89.31 |
| Premium | $4.65 | $48.87 | $97.73 |
| Diesel | $5.30 | $55.69 | $111.38 |
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 · May 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.