How far is Franklin, TN from Mountain City, TN?

The driving distance from Franklin, TN to Mountain City, TN is about 340.9 miles (548.7 km), with a travel time of about 06h 17m by car.

  • The straight-line flight distance is about 284.8 miles (458.4 km).
  • For a round trip, plan for roughly 12h 35m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 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
340.93 mi
06h 17m
Flight
284.86 mi
458.43 km direct

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

Learn Distance

Choose another destination from Franklin.

Flight Distance

Direct air line
284.86 mi
Kilometers
458.43 km
Flight Time
00h 34m

Driving Distance

Road route
340.93 mi
Kilometers
548.67 km
Drive Time
06h 17m

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 06h 17m.

Arrival Snapshot
Arrive in Mountain City
Sat, Apr 18, 3:59 AM EDT
Return by in Franklin
Sat, Apr 18, 9:17 AM CDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Franklin
2026-04-17T20:41
Arrive Mountain City
Sat, Apr 18, 2:59 AM CDT
Route Timing
06h 17m
One way by road
Best Departure Window
6:00 AM to 7:30 AM CDT
Treat this as a longer travel day
Arrive between
1:18 PM to 2:48 PM EDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
11:24 PM CDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Franklin
8:00 PM CDT
Overnight-style route

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
Lenoir City
TN

City in Loudon County, Tennessee, United States

From Franklin
170.3 mi
03h 08m
To Mountain City
170.7 mi
03h 08m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
89°F
Friday

Mostly Sunny

Starts
Fri, Apr 17 6:00 AM CDT
Wind
5 to 10 mph SSW
Destination
Mountain City Weather
TN
Live fallback forecast
78°F
Friday
Using Bristol as the closest live forecast in the Tennessee weather hub.

Chance Rain Showers

Starts
Fri, Apr 17 6:00 AM EDT
Wind
5 to 10 mph W

Driving Route Map

The map below follows the saved road route between Franklin and Mountain City.

Turn-by-Turn Driving Directions

Step-by-step road directions between Franklin and Mountain City.

  1. 1

    Start on Public Square

    127 m · 7 sec · Public Square

  2. 2

    Exit the rotary onto 3rd Avenue South

    1778 ft · 34 sec · 3rd Avenue South

  3. 3

    Continue on Murfreesboro Road

    2.4 mi · 4 min · Murfreesboro Road

  4. 4

    Take the exit left

    1707 ft · 42 sec

  5. 5

    Merge slight left

    14.1 mi · 15 min

  6. 6

    Take the exit slight right toward I 440: Memphis, Knoxville

    1280 ft · 31 sec

  7. 7

    Keep slight right to continue on I 440 East: Knoxville, Chattanooga

    2341 ft · 56 sec

  8. 8

    Merge slight left onto Debra K Johnson Memorial Parkway

    2 mi · 2 min · Debra K Johnson Memorial Parkway

  9. 9

    Keep slight left to continue on I 24 West: Nashville, Knoxville

    2515 ft · 48 sec

  10. 10

    Keep slight left to continue on I 24 West, I 40 East: Nashville, Knoxville

    1506 ft · 37 sec

  11. 11

    Merge slight left

    1328 ft · 21 sec

  12. 12

    Keep slight right to continue on I 40 East: Knoxville

    1646 ft · 40 sec

  13. 13

    Merge slight left

    171.2 mi · 3 hr 6 min

  14. 14

    Keep slight left

    36.7 mi · 41 min

  15. 15

    Keep slight left to continue on I 81 North: Bristol

    69.1 mi · 1 hr 14 min

  16. 16

    Take the exit slight right toward SR 394: Blountville, Bristol

    1452 ft · 35 sec

  17. 17

    Turn slight right onto I 81 Alt North

    33 m · 5 sec

  18. 18

    Turn right onto Tennessee Ernie Ford Parkway

    12.8 mi · 16 min · Tennessee Ernie Ford Parkway

  19. 19

    Turn right onto Carl Moore Parkway

    9.1 mi · 10 min · Carl Moore Parkway

  20. 20

    Turn slight left

    20.1 mi · 23 min

  21. 21

    Turn left onto West Main Street

    1344 ft · 29 sec · West Main Street

  22. 22

    Arrive at your destination

    0 m · 1 sec · West Main Street

Car Route Details

A richer read on the saved driving route between Franklin and Mountain City.

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
22 steps
6 turns on the saved route
Ramps & Exits
8
4 merges, 4 ramps or exits
Navigation Density
6.5 / 100 mi
Decision points by distance
Main Roads
I 40 East
208 mi · 61%
I 81 North
69.1 mi · 20%
Murfreesboro Road
16.8 mi · 5%
Tennessee Ernie Ford Parkway
12.8 mi · 4%
Carl Moore Parkway
9.15 mi · 3%
Debra K Johnson Memorial Parkway
2.01 mi · 1%
Longest Stretch

I 40 East

Merge slight left

171 mi · 03h 06m

Route Summary

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

Trip Read

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.

Drive Time
06h 17m
Overnight route
Same-Day Return
12h 36m
Round-trip wheel time
Road vs Air
+56.1 mi
284.8 mi direct line
Halfway Stop
Lenoir City
03h 08m from Franklin
Leave By
11:24 PM CDT
Overnight-style route
Weather Watch

Mostly Sunny leaving Franklin and Chance Rain Showers near Mountain City.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Franklin to Mountain City?

The road trip is about 340.9 miles (548.7 km) and usually takes 06h 17m 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?

Lenoir City is a useful midpoint, sitting about 170.3 miles from Franklin and 170.7 miles from Mountain City.

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

The direct path is about 284.8 miles (458.4 km), while the road route adds roughly 56.1 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 $45.37 one way or $90.73 round trip. Estimated CO2 is about 106.9 kg one way.

Do you cross a time zone on this route?

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

What should you check before leaving?

Before you leave, expect Mostly Sunny around Franklin and Chance Rain Showers near Mountain City.

Flight Path Map

This map shows the direct air route between Franklin and Mountain City. Straight-line distance: 284.86 mi (458.43 km).

Franklin

#1 Franklin

The second most populous city in Williamson County, Tennessee.

Population85,316
Coordinates35.9250600, -86.8688900
Altitude196
CountryUnited States
Mountain City

#2 Mountain City

City in Johnson County, Tennessee, United States of America

Population2,444
Coordinates36.4745600, -81.8048400
Altitude737
CountryUnited States
Start: Franklin (-86.86889, 35.92506)
End: Mountain City (-81.80484, 36.47456)

Estimated Travel Time

Distance: 549 km by road

SpeedTime
30 mph (48.3 km/h)11h 21m
40 mph (64.37 km/h)08h 31m
50 mph (80.47 km/h)06h 49m
60 mph (96.56 km/h)05h 40m
70 mph (112.65 km/h)04h 52m
80 mph (129 km/h)04h 15m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.03 gal
45.54 L · about $45.37
Round trip
$90.73
24.06 gal · 91.08 L
Estimated CO2
106.9 kg one way
Round trip: 213.8 kg / 471 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $45.37 $90.73
Mid-grade $4.25 $51.16 $102.33
Premium $4.65 $55.99 $111.98
Diesel $5.30 $63.81 $127.61

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 · Apr 18, 2026

Please keep in mind that there is a 1 hour time gap between Franklin, TN and Mountain City, TN. The current time in Franklin is 20:41:53, although it is 21:41:53 in Mountain City.

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.