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

The driving distance from Chattanooga, TN to Roan Mountain, TN is about 239.2 miles (385 km), with a travel time of about 04h 40m by car.

  • The straight-line flight distance is about 198.5 miles (319.5 km).
  • For a round trip, plan for roughly 09h 20m 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
239.24 mi
04h 40m
Flight
198.53 mi
319.5 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
198.53 mi
Kilometers
319.5 km
Flight Time
00h 23m

Driving Distance

Road route
239.24 mi
Kilometers
385.02 km
Drive Time
04h 40m

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 40m.

Arrival Snapshot
Arrive in Roan Mountain
Thu, Apr 16, 8:37 PM EDT
Return by in Chattanooga
Fri, Apr 17, 1:17 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Chattanooga
2026-04-16T15:57
Arrive Roan Mountain
Thu, Apr 16, 8:37 PM EDT
Route Timing
04h 40m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:40 AM to 12:40 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
7:40 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
119.6 mi
02h 20m
To Roan Mountain
119.7 mi
02h 20m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Thursday

Sunny then Slight Chance Rain Showers

Starts
Thu, Apr 16 6:00 AM EDT
Wind
5 to 10 mph SW
Destination
Roan Mountain Weather
TN
Live fallback forecast
77°F
Thursday
Using Oak Hill as the closest live forecast in the Carter County weather hub.

Mostly Sunny

Starts
Thu, Apr 16 6:00 AM EDT
Wind
0 to 10 mph SW

Driving Route Map

The map below follows the saved road route between Chattanooga and Roan Mountain.

Turn-by-Turn Driving Directions

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

  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

    56.6 mi · 1 hr 1 min

  9. 9

    Take the exit slight right toward I 26 East, US 23 South: Johnson City, Asheville

    2112 ft · 40 sec

  10. 10

    Merge slight left onto James H. Quillen Parkway

    15.1 mi · 18 min · James H. Quillen Parkway

  11. 11

    Take the exit slight right

    683 ft · 17 sec

  12. 12

    Turn slight right

    104 m · 8 sec

  13. 13

    Merge slight left onto University Parkway

    1081 ft · 24 sec · University Parkway

  14. 14

    Take the exit slight right toward Milligan Highway

    1139 ft · 29 sec

  15. 15

    Turn right onto Milligan Highway

    2.2 mi · 4 min · Milligan Highway

  16. 16

    Turn right onto Okolona Road

    1.2 km · 1 min · Okolona Road

  17. 17

    Turn left onto Laurels Road

    3.9 mi · 7 min · Laurels Road

  18. 18

    Continue on Dry Creek Road

    2.6 mi · 4 min · Dry Creek Road

  19. 19

    At the end of the road, turn right onto Gap Creek Road

    2.4 mi · 4 min · Gap Creek Road

  20. 20

    Turn right onto State Line Road

    10.4 mi · 14 min · State Line Road

  21. 21

    Turn right onto Main Street

    1077 ft · 47 sec · Main Street

  22. 22

    Arrive at your destination

    0 m · 1 sec · Main Street

Car Route Details

A richer read on the saved driving route between Chattanooga and Roan 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
9 turns on the saved route
Ramps & Exits
7
4 merges, 3 ramps or exits
Navigation Density
9.2 / 100 mi
Decision points by distance
Main Roads
I 75 North
137 mi · 57%
I 81 North
56.6 mi · 24%
James H. Quillen Parkway
15.2 mi · 6%
State Line Road
10.4 mi · 4%
Market Street
7.02 mi · 3%
Laurels Road
3.85 mi · 2%
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 40m
Long day trip
Same-Day Return
09h 20m
Round-trip wheel time
Road vs Air
+40.7 mi
198.5 mi direct line
Halfway Stop
Mascot
02h 20m from Chattanooga
Leave By
7:40 AM EDT
Early departure recommended
Weather Watch

Sunny then Slight Chance Rain Showers leaving Chattanooga and Mostly Sunny near Roan Mountain.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Chattanooga to Roan Mountain?

The road trip is about 239.2 miles (385 km) and usually takes 04h 40m 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 119.6 miles from Chattanooga and 119.7 miles from Roan Mountain.

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

The direct path is about 198.5 miles (319.5 km), while the road route adds roughly 40.7 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 7:40 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $31.83 one way or $63.65 round trip. Estimated CO2 is about 75 kg one way.

What should you check before leaving?

Before you leave, expect Sunny then Slight Chance Rain Showers around Chattanooga and Mostly Sunny near Roan Mountain.

Flight Path Map

This map shows the direct air route between Chattanooga and Roan Mountain. Straight-line distance: 198.53 mi (319.5 km).

Chattanooga

#1 Chattanooga

The fourth most populous city in Tennessee.

Population184,742
Coordinates35.0456300, -85.3096800
Altitude206
CountryUnited States
Roan Mountain

#2 Roan Mountain

Census-designated place in Carter County, Tennessee

Population1,360
Coordinates36.1962300, -82.0704000
Altitude786
CountryUnited States
Start: Chattanooga (-85.30968, 35.04563)
End: Roan Mountain (-82.0704, 36.19623)

Estimated Travel Time

Distance: 385 km by road

SpeedTime
30 mph (48.3 km/h)07h 58m
40 mph (64.37 km/h)05h 58m
50 mph (80.47 km/h)04h 47m
60 mph (96.56 km/h)03h 59m
70 mph (112.65 km/h)03h 25m
80 mph (129 km/h)02h 59m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.44 gal
31.96 L · about $31.83
Round trip
$63.65
16.88 gal · 63.92 L
Estimated CO2
75 kg one way
Round trip: 150 kg / 331 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $31.83 $63.65
Mid-grade $4.25 $35.90 $71.79
Premium $4.65 $39.28 $78.56
Diesel $5.30 $44.77 $89.53

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 16, 2026

There is no time difference between Chattanooga and Roan Mountain. The current time is 15:57:10.

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.