How far is Smyrna, TN from Rockwood, TN?

The driving distance from Smyrna, TN to Rockwood, TN is about 249.6 miles (401.7 km), with a travel time of about 04h 53m by car.

  • The straight-line flight distance is about 204.2 miles (328.6 km).
  • For a round trip, plan for roughly 09h 47m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
249.59 mi
04h 53m
Flight
204.16 mi
328.56 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Smyrna.

Flight Distance

Direct air line
204.16 mi
Kilometers
328.56 km
Flight Time
00h 24m

Driving Distance

Road route
249.59 mi
Kilometers
401.67 km
Drive Time
04h 53m

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 53m.

Arrival Snapshot
Arrive in Rockwood
Thu, Oct 15, 7:26 PM EDT
Return by in Smyrna
Thu, Oct 15, 11:19 PM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Smyrna
2026-10-15T13:32
Arrive Rockwood
Thu, Oct 15, 6:26 PM CDT
Route Timing
04h 53m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
11:54 AM to 1:54 PM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
7:12 AM CDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Smyrna
9:00 PM CDT
Early departure recommended

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.

Mid-route stop
Green Hill
TN

Census-designated place in Wilson County, Tennessee

From Smyrna
124.5 mi
02h 26m
To Rockwood
125.1 mi
02h 26m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
91°F
This Afternoon

Sunny

Starts
Thu, Oct 15 12:00 PM CDT
Wind
5 to 10 mph SW
Destination
85°F
Thursday

Mostly Sunny

Starts
Thu, Oct 15 6:00 AM EDT
Wind
0 to 5 mph SW

Driving Route Map

The map below follows the saved road route between Smyrna and Rockwood.

Turn-by-Turn Driving Directions

Step-by-step road directions between Smyrna and Rockwood.

  1. 1

    Start on Buck Ditch Road

    18 m · 5 sec · Buck Ditch Road

  2. 2

    Turn left onto Smyrna Road

    2 mi · 8 min · Smyrna Road

  3. 3

    At the end of the road, turn right onto Buena Vista Road

    2.5 mi · 6 min · Buena Vista Road

  4. 4

    At the end of the road, turn left

    4.1 mi · 7 min

  5. 5

    At the end of the road, turn right onto Broad Street

    2.4 mi · 4 min · Broad Street

  6. 6

    Continue on Broadway of America

    5.4 mi · 8 min · Broadway of America

  7. 7

    Turn right

    1.6 mi · 2 min

  8. 8

    Turn right

    13.8 mi · 16 min

  9. 9

    Take the exit slight left

    1318 ft · 32 sec

  10. 10

    Merge slight left

    81.4 mi · 1 hr 28 min

  11. 11

    Keep slight right to continue on I 40 East, I 65 South: Knoxville, Huntsville

    1305 ft · 25 sec

  12. 12

    Merge slight left onto Downtown Loop

    2.4 mi · 3 min · Downtown Loop

  13. 13

    Continue on Downtown Loop

    2764 ft · 43 sec · Downtown Loop

  14. 14

    Keep slight right to continue on I 40 East, I 24 East: Knoxville, Chattanooga

    118.3 mi · 2 hr 8 min

  15. 15

    Take the exit slight right toward Crab Orchard

    1656 ft · 47 sec

  16. 16

    Turn left onto Market Street

    1088 ft · 22 sec · Market Street

  17. 17

    Turn right

    12.2 mi · 18 min

  18. 18

    At the end of the road, turn left onto South Gateway Avenue

    1.8 mi · 2 min · South Gateway Avenue

  19. 19

    Turn right onto East Rockwood Street

    106 m · 22 sec · East Rockwood Street

  20. 20

    Turn left onto North Kingston Avenue

    61 m · 9 sec · North Kingston Avenue

  21. 21

    Arrive at your destination

    0 m · 1 sec · North Kingston Avenue

Car Route Details

A richer read on the saved driving route between Smyrna and Rockwood.

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
21 steps
11 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
8.4 / 100 mi
Decision points by distance
Main Roads
I 40 East
119 mi · 48%
Broadway of America
87 mi · 35%
Downtown Loop
2.93 mi · 1%
Buena Vista Road
2.52 mi · 1%
Broad Street
2.43 mi · 1%
Smyrna Road
2.02 mi · 1%
Longest Stretch

I 40 East

Keep slight right to continue on I 40 East, I 24 East: Knoxville, Chattanooga

118 mi · 02h 08m

Route Summary

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

Trip Read

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.

Drive Time
04h 53m
Long day trip
Same-Day Return
09h 48m
Round-trip wheel time
Road vs Air
+45.4 mi
204.2 mi direct line
Halfway Stop
Green Hill
02h 26m from Smyrna
Leave By
7:12 AM CDT
Early departure recommended
Weather Watch

Sunny leaving Smyrna and Mostly Sunny near Rockwood.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Smyrna to Rockwood?

The road trip is about 249.6 miles (401.7 km) and usually takes 04h 53m 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?

Green Hill is a useful midpoint, sitting about 124.5 miles from Smyrna and 125.1 miles from Rockwood.

How much longer is the road route than the straight-line distance?

The direct path is about 204.2 miles (328.6 km), while the road route adds roughly 45.4 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 8:00 AM CDT. If you want a more comfortable same-day return, try to leave by 7:12 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $34.39 one way or $68.79 round trip. Estimated CO2 is about 78.3 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Smyrna and Rockwood, 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 Mostly Sunny near Rockwood.

Stop Ideas Near Green Hill

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Green Hill, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Green Hill.

BUS

Nashville, TN

22 mi away
705 5th Avenue South
BUS

Clarksville, TN

81 mi away
11 Jefferson Street \r\n

Flight Path Map

This map shows the direct air route between Smyrna and Rockwood. Straight-line distance: 204.16 mi (328.56 km).

Smyrna

#1 Smyrna

Town in Rutherford County, Tennessee, United States

Population53,185
Coordinates35.9564500, -88.3317100
Altitude157
CountryUnited States
Rockwood

#2 Rockwood

City in Tennessee, United States

Population5,459
Coordinates35.8656300, -84.6849400
Altitude272
CountryUnited States
Start: Smyrna (-88.33171, 35.95645)
End: Rockwood (-84.68494, 35.86563)

Estimated Travel Time

Distance: 402 km by road

SpeedTime
30 mph (48.3 km/h)08h 18m
40 mph (64.37 km/h)06h 14m
50 mph (80.47 km/h)04h 59m
60 mph (96.56 km/h)04h 09m
70 mph (112.65 km/h)03h 33m
80 mph (129 km/h)03h 06m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.81 gal
33.34 L · about $34.39
Round trip
$68.79
17.62 gal · 66.68 L
Estimated CO2
78.3 kg one way
Round trip: 156.6 kg / 345 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.90 $34.39 $68.79
Mid-grade $4.37 $38.46 $76.91
Premium $4.77 $42.06 $84.12
Diesel $6.00 $52.88 $105.76

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

Please keep in mind that there is a 1 hour time gap between Smyrna, TN and Rockwood, TN. The current time in Smyrna is 13:32:31, although it is 14:32:31 in Rockwood.

Distance to Other Cities

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