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

The driving distance from Chattanooga, TN to Mountain City, TN is about 255.8 miles (411.7 km), with a travel time of about 04h 47m by car.

  • The straight-line flight distance is about 219.9 miles (353.9 km).
  • For a round trip, plan for roughly 09h 35m 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
255.81 mi
04h 47m
Flight
219.89 mi
353.88 km direct

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

Learn Distance

Choose another destination from Chattanooga.

Flight Distance

Direct air line
219.89 mi
Kilometers
353.88 km
Flight Time
00h 26m

Driving Distance

Road route
255.81 mi
Kilometers
411.68 km
Drive Time
04h 47m

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 47m.

Arrival Snapshot
Arrive in Mountain City
Sat, Apr 18, 2:30 AM EDT
Return by in Chattanooga
Sat, Apr 18, 7:18 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Chattanooga
2026-04-17T21:42
Arrive Mountain City
Sat, Apr 18, 2:30 AM EDT
Route Timing
04h 47m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:48 AM to 12:48 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
7:24 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Chattanooga
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
Mascot
TN

Census-designated place in Knox County, Tennessee

From Chattanooga
127.8 mi
02h 23m
To Mountain City
128 mi
02h 23m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
88°F
Friday

Sunny

Starts
Fri, Apr 17 6:00 AM EDT
Wind
0 to 5 mph SW
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 Chattanooga and Mountain City.

Turn-by-Turn Driving Directions

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

  1. 1

    Start on West Martin Luther King Boulevard

    24 m · 6 sec · West Martin Luther King Boulevard

  2. 2

    Turn right onto Market Street

    1.2 mi · 3 min · Market Street

  3. 3

    Turn left

    1378 ft · 23 sec

  4. 4

    Merge slight left

    5.8 mi · 8 min

  5. 5

    Keep slight left to continue on I 75 North: Knoxville

    1.4 km · 1 min

  6. 6

    Merge slight left

    99.2 mi · 1 hr 50 min

  7. 7

    Keep slight left

    36.7 mi · 41 min

  8. 8

    Keep slight left to continue on I 81 North: Bristol

    69.1 mi · 1 hr 14 min

  9. 9

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

    1452 ft · 35 sec

  10. 10

    Turn slight right onto I 81 Alt North

    33 m · 5 sec

  11. 11

    Turn right onto Tennessee Ernie Ford Parkway

    12.8 mi · 16 min · Tennessee Ernie Ford Parkway

  12. 12

    Turn right onto Carl Moore Parkway

    9.1 mi · 10 min · Carl Moore Parkway

  13. 13

    Turn slight left

    20.1 mi · 23 min

  14. 14

    Turn left onto West Main Street

    1344 ft · 29 sec · West Main Street

  15. 15

    Arrive at your destination

    0 m · 1 sec · West Main Street

Car Route Details

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

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
15 steps
7 turns on the saved route
Ramps & Exits
3
2 merges, 1 ramps or exits
Navigation Density
5.9 / 100 mi
Decision points by distance
Main Roads
I 75 North
137 mi · 53%
I 81 North
69.1 mi · 27%
Tennessee Ernie Ford Parkway
12.8 mi · 5%
Carl Moore Parkway
9.15 mi · 4%
Market Street
7.02 mi · 3%
SR 394
0.28 mi
Longest Stretch

I 75 North

Merge slight left

99.2 mi · 01h 50m

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 47m
Long day trip
Same-Day Return
09h 36m
Round-trip wheel time
Road vs Air
+35.9 mi
219.9 mi direct line
Halfway Stop
Mascot
02h 23m from Chattanooga
Leave By
7:24 AM EDT
Early departure recommended
Weather Watch

Sunny leaving Chattanooga 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 Chattanooga to Mountain City?

The road trip is about 255.8 miles (411.7 km) and usually takes 04h 47m 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?

Mascot is a useful midpoint, sitting about 127.8 miles from Chattanooga and 128 miles from Mountain City.

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

The direct path is about 219.9 miles (353.9 km), while the road route adds roughly 35.9 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 7:24 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $34.05 one way or $68.10 round trip. Estimated CO2 is about 80.2 kg one way.

What should you check before leaving?

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

Flight Path Map

This map shows the direct air route between Chattanooga and Mountain City. Straight-line distance: 219.89 mi (353.88 km).

Chattanooga

#1 Chattanooga

The fourth most populous city in Tennessee.

Population184,742
Coordinates35.0456300, -85.3096800
Altitude206
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: Chattanooga (-85.30968, 35.04563)
End: Mountain City (-81.80484, 36.47456)

Estimated Travel Time

Distance: 412 km by road

SpeedTime
30 mph (48.3 km/h)08h 31m
40 mph (64.37 km/h)06h 23m
50 mph (80.47 km/h)05h 06m
60 mph (96.56 km/h)04h 15m
70 mph (112.65 km/h)03h 39m
80 mph (129 km/h)03h 11m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.03 gal
34.17 L · about $34.05
Round trip
$68.10
18.06 gal · 68.34 L
Estimated CO2
80.2 kg one way
Round trip: 160.5 kg / 354 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $34.05 $68.10
Mid-grade $4.25 $38.40 $76.81
Premium $4.65 $42.03 $84.05
Diesel $5.30 $47.90 $95.79

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

There is no time difference between Chattanooga and Mountain City. The current time is 21:42:51.

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.