How far is Smyrna, TN from Erwin, TN?
The driving distance from Smyrna, TN to Erwin, TN is about 394 miles (634.1 km), with a travel time of about 07h 39m by car.
- The straight-line flight distance is about 330.6 miles (532.1 km).
- For a round trip, plan for roughly 15h 19m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 07h 39m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 Putnam County, Tennessee, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Smyrna and Erwin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Smyrna and Erwin.
-
1
Start on Buck Ditch Road
18 m · 5 sec · Buck Ditch Road
-
2
Turn left onto Smyrna Road
2 mi · 8 min · Smyrna Road
-
3
At the end of the road, turn right onto Buena Vista Road
2.5 mi · 6 min · Buena Vista Road
-
4
At the end of the road, turn left
4.1 mi · 7 min
-
5
At the end of the road, turn right onto Broad Street
2.4 mi · 4 min · Broad Street
-
6
Continue on Broadway of America
5.4 mi · 8 min · Broadway of America
-
7
Turn right
1.6 mi · 2 min
-
8
Turn right
13.8 mi · 16 min
-
9
Take the exit slight left
1318 ft · 32 sec
-
10
Merge slight left
81.4 mi · 1 hr 28 min
-
11
Keep slight right to continue on I 40 East, I 65 South: Knoxville, Huntsville
1305 ft · 25 sec
-
12
Merge slight left onto Downtown Loop
2.4 mi · 3 min · Downtown Loop
-
13
Continue on Downtown Loop
2764 ft · 43 sec · Downtown Loop
-
14
Keep slight right to continue on I 40 East, I 24 East: Knoxville, Chattanooga
173.8 mi · 3 hr 10 min
-
15
Keep slight left
36.7 mi · 41 min
-
16
Keep slight left to continue on I 81 North: Bristol
22.7 mi · 24 min
-
17
Take the exit slight right toward US 11E: Mosheim, Greeneville, Bulls Gap
2149 ft · 46 sec
-
18
Turn right onto West Andrew Johnson Highway
18 mi · 22 min · West Andrew Johnson Highway
-
19
Turn right onto Tusculum Bypass
1.5 km · 1 min · Tusculum Bypass
-
20
Continue on Erwin Highway
6.4 mi · 10 min · Erwin Highway
-
21
Continue on Governor John Sevier Highway
11.3 mi · 17 min · Governor John Sevier Highway
-
22
Continue straight
6.9 mi · 11 min
-
23
Turn right onto North Main Avenue
1204 ft · 28 sec · North Main Avenue
-
24
Arrive at your destination
0 m · 1 sec · South Main Avenue
Car Route Details
A richer read on the saved driving route between Smyrna and Erwin.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
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.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Sunny leaving Smyrna and Sunny near Erwin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Smyrna to Erwin?
The road trip is about 394 miles (634.1 km) and usually takes 07h 39m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Algood is a useful midpoint, sitting about 196.4 miles from Smyrna and 197.6 miles from Erwin.
How much longer is the road route than the straight-line distance?
The direct path is about 330.6 miles (532.1 km), while the road route adds roughly 63.4 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 6:00 AM to 7:30 AM CDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $54.27 one way or $108.53 round trip. Estimated CO2 is about 123.5 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Smyrna and Erwin, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Smyrna and Sunny near Erwin.
Stop Ideas Near Algood
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 Algood.
Nashville, TN
Flight Path Map
This map shows the direct air route between Smyrna and Erwin. Straight-line distance: 330.62 mi (532.08 km).
#1 Smyrna
Town in Rutherford County, Tennessee, United States
| Population | 53,185 |
| Coordinates | 35.9564500, -88.3317100 |
| Altitude | 157 |
| Country | United States |
#2 Erwin
Human settlement in Tennessee, United States of America
| Population | 5,854 |
| Coordinates | 36.1451100, -82.4168100 |
| Altitude | 510 |
| Country | United States |
End: Erwin (-82.41681, 36.14511)
Estimated Travel Time
Distance: 634 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 13h 07m |
| 40 mph (64.37 km/h) | 09h 51m |
| 50 mph (80.47 km/h) | 07h 52m |
| 60 mph (96.56 km/h) | 06h 34m |
| 70 mph (112.65 km/h) | 05h 37m |
| 80 mph (129 km/h) | 04h 54m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.90 | $54.27 | $108.53 |
| Mid-grade | $4.37 | $60.67 | $121.35 |
| Premium | $4.77 | $66.36 | $132.72 |
| Diesel | $6.00 | $83.43 | $166.86 |
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