How far is Oak Ridge, TN from Smyrna, TN?
The driving distance from Oak Ridge, TN to Smyrna, TN is about 272.6 miles (438.7 km), with a travel time of about 04h 21m by car.
- The straight-line flight distance is about 227.1 miles (365.5 km).
- For a round trip, plan for roughly 08h 43m 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 21m.
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.
Sunny
Driving Route Map
The map below follows the saved road route between Oak Ridge and Smyrna.
Turn-by-Turn Driving Directions
Step-by-step road directions between Oak Ridge and Smyrna.
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1
Start on North Illinois Avenue
1 mi · 1 min · North Illinois Avenue
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2
Continue on East Tri County Boulevard
5.7 mi · 7 min · East Tri County Boulevard
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3
Continue on Harriman Highway
9.6 mi · 11 min · Harriman Highway
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4
Merge slight right onto Bitter Creek Highway
835 ft · 11 sec · Bitter Creek Highway
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5
Continue on Harriman Highway
1233 ft · 16 sec · Harriman Highway
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6
Continue on Hannah Highway
2.1 mi · 2 min · Hannah Highway
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7
Continue on North Roane Street
4.1 mi · 5 min · North Roane Street
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8
Turn left
969 ft · 26 sec
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9
Merge slight left
134.5 mi · 2 hr 25 min
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10
Keep slight right to continue on I 24 West, I 40 West: Nashville
2.1 mi · 3 min
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11
Keep slight left to continue on I 40 West: Huntsville, Memphis
2263 ft · 43 sec
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12
Merge slight right onto Downtown Loop
1 km · 52 sec · Downtown Loop
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13
Continue on Downtown Loop
2.3 mi · 3 min · Downtown Loop
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14
Keep slight left to continue on I 40 West: Memphis
81.7 mi · 1 hr 28 min
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15
Take the exit slight right toward US 641: Camden, Paris, Parsons
947 ft · 27 sec
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16
Keep slight right
59 m · 5 sec
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17
Merge slight left
13.7 mi · 16 min
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18
Turn left
1.6 mi · 2 min
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19
At the end of the road, turn left
7.8 mi · 12 min
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20
Turn left
4.1 mi · 7 min
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21
Turn right onto Buena Vista Road
2.5 mi · 6 min · Buena Vista Road
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22
Turn left onto Smyrna Road
2 mi · 8 min · Smyrna Road
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23
Turn right onto Buck Ditch Road
18 m · 3 sec · Buck Ditch Road
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24
Arrive at your destination
0 m · 1 sec · Buck Ditch Road
Car Route Details
A richer read on the saved driving route between Oak Ridge and Smyrna.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
North Roane Street
Merge slight left
134 mi · 02h 25m
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.
Sunny leaving Oak Ridge and Sunny near Smyrna.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Oak Ridge to Smyrna?
The road trip is about 272.6 miles (438.7 km) and usually takes 04h 21m 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 138 miles from Oak Ridge and 134.6 miles from Smyrna.
How much longer is the road route than the straight-line distance?
The direct path is about 227.1 miles (365.5 km), while the road route adds roughly 45.5 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 8:16 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $37.56 one way or $75.11 round trip. Estimated CO2 is about 85.5 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Oak Ridge and Smyrna, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Oak Ridge and Sunny 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 Oak Ridge and Smyrna. Straight-line distance: 227.12 mi (365.52 km).
#1 Oak Ridge
City in Tennessee, United States
| Population | 29,340 |
| Coordinates | 36.0103600, -84.2696400 |
| Altitude | 259 |
| 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: 439 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 04m |
| 40 mph (64.37 km/h) | 06h 48m |
| 50 mph (80.47 km/h) | 05h 27m |
| 60 mph (96.56 km/h) | 04h 32m |
| 70 mph (112.65 km/h) | 03h 53m |
| 80 mph (129 km/h) | 03h 24m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.90 | $37.56 | $75.11 |
| Mid-grade | $4.37 | $41.99 | $83.98 |
| Premium | $4.77 | $45.93 | $91.85 |
| Diesel | $6.00 | $57.74 | $115.48 |
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