How far is Kingsport, TN from Smyrna, TN?

The driving distance from Kingsport, TN to Smyrna, TN is about 397.6 miles (639.8 km), with a travel time of about 05h 57m by car.

  • The straight-line flight distance is about 324 miles (521.5 km).
  • For a round trip, plan for roughly 11h 55m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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
397.52 mi
05h 57m
Flight
324.03 mi
521.47 km direct

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

Learn Distance

Choose another destination from Kingsport.

Flight Distance

Direct air line
324.03 mi
Kilometers
521.47 km
Flight Time
00h 39m

Driving Distance

Road route
397.52 mi
Kilometers
639.75 km
Drive Time
05h 57m

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 05h 57m.

Arrival Snapshot
Arrive in Smyrna
Sun, May 31, 3:31 AM CDT
Return by in Kingsport
Sun, May 31, 10:29 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Kingsport
2026-05-30T22:33
Arrive Smyrna
Sun, May 31, 4:31 AM EDT
Route Timing
05h 57m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:58 AM to 12:58 PM CDT

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

Leave by
5:04 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Kingsport
9:00 PM EDT
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
Cookeville
TN

City in Tennessee, United States

From Kingsport
194.6 mi
02h 58m
To Smyrna
202.9 mi
02h 58m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
This Afternoon

Partly Sunny

Starts
Sat, May 30 3:00 PM EDT
Wind
5 mph N
Destination
85°F
This Afternoon

Chance Showers And Thunderstorms

Starts
Sat, May 30 3:00 PM CDT
Wind
5 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on West Center Street

    636 ft · 24 sec · West Center Street

  2. 2

    Turn right onto Broad Street

    133 m · 12 sec · Broad Street

  3. 3

    Enter the roundabout and take exit 2 toward Broad Street

    15 m · 2 sec · Broad Street

  4. 4

    Exit the roundabout onto Broad Street

    573 ft · 21 sec · Broad Street

  5. 5

    Turn left onto East Main Street

    1.2 km · 1 min · East Main Street

  6. 6

    Continue on East Sullivan Street

    1054 ft · 24 sec · East Sullivan Street

  7. 7

    Turn right onto South Wilcox Drive

    2.6 mi · 5 min · South Wilcox Drive

  8. 8

    Turn right onto Sullivan Gardens Parkway

    1.5 mi · 2 min · Sullivan Gardens Parkway

  9. 9

    Continue on South Wilcox Drive

    1.5 mi · 2 min · South Wilcox Drive

  10. 10

    Continue on Sullivan Gardens Drive

    3.1 mi · 4 min · Sullivan Gardens Drive

  11. 11

    Continue straight

    2.3 mi · 3 min

  12. 12

    Continue straight

    1627 ft · 21 sec

  13. 13

    Take the exit slight right

    1754 ft · 42 sec

  14. 14

    Merge slight left

    49.4 mi · 53 min

  15. 15

    Continue on I 40 West: Knoxville

    1.1 km · 45 sec

  16. 16

    Merge slight left

    52.8 mi · 59 min

  17. 17

    Keep slight right to continue on Nashville

    154.8 mi · 2 hr 47 min

  18. 18

    Keep slight right to continue on I 24 West, I 40 West: Nashville

    2.1 mi · 3 min

  19. 19

    Keep slight left to continue on I 40 West: Huntsville, Memphis

    2263 ft · 43 sec

  20. 20

    Merge slight right onto Downtown Loop

    1 km · 52 sec · Downtown Loop

  21. 21

    Continue on Downtown Loop

    2.3 mi · 3 min · Downtown Loop

  22. 22

    Keep slight left to continue on I 40 West: Memphis

    81.7 mi · 1 hr 28 min

  23. 23

    Take the exit slight right toward US 641: Camden, Paris, Parsons

    947 ft · 27 sec

  24. 24

    Keep slight right

    59 m · 5 sec

  25. 25

    Merge slight left

    13.7 mi · 16 min

  26. 26

    Turn left

    1.6 mi · 2 min

  27. 27

    At the end of the road, turn left

    7.8 mi · 12 min

  28. 28

    Turn left

    4.1 mi · 7 min

  29. 29

    Turn right onto Buena Vista Road

    2.5 mi · 6 min · Buena Vista Road

  30. 30

    Turn left onto Smyrna Road

    2 mi · 8 min · Smyrna Road

  31. 31

    Turn right onto Buck Ditch Road

    18 m · 3 sec · Buck Ditch Road

  32. 32

    Arrive at your destination

    0 m · 1 sec · Buck Ditch Road

Car Route Details

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

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
32 steps
12 turns on the saved route
Ramps & Exits
8
4 merges, 4 ramps or exits
Navigation Density
8.1 / 100 mi
Decision points by distance
Main Roads
Nashville
155 mi · 39%
I 40 West
136 mi · 34%
Sullivan Gardens Drive
55.5 mi · 14%
US 641
13.9 mi · 3%
South Wilcox Drive
4.04 mi · 1%
Downtown Loop
2.92 mi · 1%
Longest Stretch

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.

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
05h 57m
Long day trip
Same-Day Return
11h 56m
Round-trip wheel time
Road vs Air
+73.6 mi
324 mi direct line
Halfway Stop
Cookeville
02h 58m from Kingsport
Leave By
5:04 AM EDT
Early departure recommended
Weather Watch

Partly Sunny leaving Kingsport 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 Kingsport to Smyrna?

The road trip is about 397.6 miles (639.8 km) and usually takes 05h 57m 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?

Cookeville is a useful midpoint, sitting about 194.6 miles from Kingsport and 202.9 miles from Smyrna.

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

The direct path is about 324 miles (521.5 km), while the road route adds roughly 73.6 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 5:04 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $52.91 one way or $105.81 round trip. Estimated CO2 is about 124.7 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Kingsport 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 Kingsport and Chance Showers And Thunderstorms near Smyrna.

Stop Ideas Near Cookeville

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

Mid-route Guidance
Local place coverage is thin around Cookeville, 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 Cookeville.

BUS

Nashville, TN

114 mi away
705 5th Avenue South

Flight Path Map

This map shows the direct air route between Kingsport and Smyrna. Straight-line distance: 324.03 mi (521.47 km).

Kingsport

#1 Kingsport

The most populous city in Sullivan County, Tennessee.

Population54,112
Coordinates36.5484300, -82.5618200
Altitude369
CountryUnited States
Smyrna

#2 Smyrna

Town in Rutherford County, Tennessee, United States

Population53,185
Coordinates35.9564500, -88.3317100
Altitude157
CountryUnited States
Start: West Center Street (-82.561722, 36.548537)
End: Buck Ditch Road (-88.331713, 35.956423)

Estimated Travel Time

Distance: 640 km by road

SpeedTime
30 mph (48.3 km/h)13h 14m
40 mph (64.37 km/h)09h 56m
50 mph (80.47 km/h)07h 57m
60 mph (96.56 km/h)06h 37m
70 mph (112.65 km/h)05h 40m
80 mph (129 km/h)04h 57m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
14.03 gal
53.1 L · about $52.91
Round trip
$105.81
28.06 gal · 106.2 L
Estimated CO2
124.7 kg one way
Round trip: 249.4 kg / 550 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $52.91 $105.81
Mid-grade $4.25 $59.67 $119.34
Premium $4.65 $65.30 $130.59
Diesel $5.30 $74.42 $148.83

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

Please keep in mind that there is a 1 hour time gap between Kingsport, TN and Smyrna, TN. The current time in Kingsport is 22:33:49, although it is 21:33:49 in Smyrna.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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