How far is Smyrna, TN from Signal Mountain, TN?

The driving distance from Smyrna, TN to Signal Mountain, TN is about 248 miles (399.1 km), with a travel time of about 04h 52m by car.

  • The straight-line flight distance is about 177.6 miles (285.8 km).
  • For a round trip, plan for roughly 09h 45m 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
247.97 mi
04h 52m
Flight
177.58 mi
285.79 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
177.58 mi
Kilometers
285.79 km
Flight Time
00h 21m

Driving Distance

Road route
247.97 mi
Kilometers
399.07 km
Drive Time
04h 52m

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 52m.

Arrival Snapshot
Arrive in Signal Mountain
Wed, Jul 22, 5:38 AM EDT
Return by in Smyrna
Wed, Jul 22, 9:31 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Smyrna
2026-07-21T23:46
Arrive Signal Mountain
Wed, Jul 22, 4:38 AM CDT
Route Timing
04h 52m
One way by road
Best Departure Window
6:00 AM to 8:00 AM CDT
Leave early for more breathing room
Arrive between
11:53 AM to 1:53 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
7:14 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
Eagleville
TN

Human settlement in Rutherford County, Tennessee, United States of America

From Smyrna
124 mi
02h 26m
To Signal Mountain
124 mi
02h 26m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
75°F
Overnight

Patchy Fog

Starts
Tue, Jul 21 12:00 AM CDT
Wind
0 mph
Destination
87°F
Wednesday

Chance Showers And Thunderstorms then Showers And Thunderstorms Likely

Starts
Wed, Jul 22 6:00 AM EDT
Wind
5 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Smyrna and Signal Mountain.

  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

    50.1 mi · 54 min

  11. 11

    Take the exit slight right toward I 840 East: Knoxville, Franklin

    1.1 km · 1 min

  12. 12

    Merge slight left onto Tennessee National Guard Parkway

    52.2 mi · 56 min · Tennessee National Guard Parkway

  13. 13

    Take the exit slight right toward I 24 East: Chattanooga

    1.3 km · 2 min

  14. 14

    Merge slight left

    103.1 mi · 1 hr 55 min

  15. 15

    Take the exit slight right toward US 27 North: Downtown Chattanooga

    2163 ft · 47 sec

  16. 16

    Continue straight

    3.4 mi · 5 min

  17. 17

    Take the exit slight right toward US 127 North: Signal Mountain

    2094 ft · 51 sec

  18. 18

    Keep slight right

    548 ft · 13 sec

  19. 19

    Turn straight onto Signal Mountain Road

    1.6 mi · 3 min · Signal Mountain Road

  20. 20

    Continue on Signal Mountain Boulevard

    3.1 mi · 5 min · Signal Mountain Boulevard

  21. 21

    Turn sharp left onto Mississippi Avenue

    58 m · 8 sec · Mississippi Avenue

  22. 22

    Arrive at your destination

    0 m · 1 sec · Mississippi Avenue

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
22 steps
8 turns on the saved route
Ramps & Exits
8
3 merges, 5 ramps or exits
Navigation Density
8.9 / 100 mi
Decision points by distance
Main Roads
I 24 East
104 mi · 42%
Broadway of America
55.7 mi · 22%
Tennessee National Guard Parkway
52.2 mi · 21%
US 27 North
3.79 mi · 2%
Signal Mountain Boulevard
3.05 mi · 1%
Buena Vista Road
2.52 mi · 1%
Longest Stretch

I 24 East

Merge slight left

103 mi · 01h 55m

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 52m
Long day trip
Same-Day Return
09h 46m
Round-trip wheel time
Road vs Air
+70.4 mi
177.6 mi direct line
Halfway Stop
Eagleville
02h 26m from Smyrna
Leave By
7:14 AM CDT
Early departure recommended
Weather Watch

Patchy Fog leaving Smyrna and Chance Showers And Thunderstorms then Showers And Thunderstorms Likely near Signal Mountain.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Smyrna to Signal Mountain?

The road trip is about 248 miles (399.1 km) and usually takes 04h 52m 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?

Eagleville is a useful midpoint, sitting about 124 miles from Smyrna and 124 miles from Signal Mountain.

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

The direct path is about 177.6 miles (285.8 km), while the road route adds roughly 70.4 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 7:14 AM CDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $33.00 one way or $65.99 round trip. Estimated CO2 is about 77.8 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Smyrna and Signal Mountain, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Patchy Fog around Smyrna and Chance Showers And Thunderstorms then Showers And Thunderstorms Likely near Signal Mountain.

Stop Ideas Near Eagleville

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

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

BUS

Nashville, TN

47 mi away
705 5th Avenue South
BUS

Clarksville, TN

109 mi away
11 Jefferson Street \r\n

Flight Path Map

This map shows the direct air route between Smyrna and Signal Mountain. Straight-line distance: 177.58 mi (285.79 km).

Smyrna

#1 Smyrna

Town in Rutherford County, Tennessee, United States

Population53,185
Coordinates35.9564500, -88.3317100
Altitude157
CountryUnited States
Signal Mountain

#2 Signal Mountain

Town in Hamilton County, Tennessee, United States

Population8,640
Coordinates35.1225700, -85.3438500
Altitude519
CountryUnited States
Start: Smyrna (-88.33171, 35.95645)
End: Signal Mountain (-85.34385, 35.12257)

Estimated Travel Time

Distance: 399 km by road

SpeedTime
30 mph (48.3 km/h)08h 15m
40 mph (64.37 km/h)06h 11m
50 mph (80.47 km/h)04h 57m
60 mph (96.56 km/h)04h 07m
70 mph (112.65 km/h)03h 32m
80 mph (129 km/h)03h 05m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.75 gal
33.12 L · about $33.00
Round trip
$65.99
17.5 gal · 66.24 L
Estimated CO2
77.8 kg one way
Round trip: 155.5 kg / 343 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $33.00 $65.99
Mid-grade $4.25 $37.21 $74.43
Premium $4.65 $40.72 $81.45
Diesel $5.30 $46.41 $92.82

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 · Jul 22, 2026

Please keep in mind that there is a 1 hour time gap between Smyrna, TN and Signal Mountain, TN. The current time in Smyrna is 23:46:02, although it is 00:46:02 in Signal Mountain.

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.