How far is Roan Mountain, TN from Chattanooga, TN?
The driving distance from Roan Mountain, TN to Chattanooga, TN is about 240.8 miles (387.5 km), with a travel time of about 03h 52m by car.
- The straight-line flight distance is about 198.5 miles (319.5 km).
- For a round trip, plan for roughly 07h 45m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 03h 52m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Census-designated place in Knox County, Tennessee
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Roan Mountain and Chattanooga.
Turn-by-Turn Driving Directions
Step-by-step road directions between Roan Mountain and Chattanooga.
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1
Start on Main Street
1077 ft · 52 sec · Main Street
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2
At the end of the road, turn left
10.4 mi · 14 min
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3
Turn left onto Gap Creek Road
3.6 mi · 6 min · Gap Creek Road
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4
Turn straight onto Mary Patton Highway
4.5 mi · 8 min · Mary Patton Highway
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5
Turn left onto West G Street
1929 ft · 52 sec · West G Street
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6
Turn left
4.3 mi · 6 min
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7
Take the exit slight right
1605 ft · 39 sec
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8
Merge slight left onto James H. Quillen Parkway
15.1 mi · 18 min · James H. Quillen Parkway
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9
Take the exit slight right toward I 81 South: Knoxville
1100 ft · 38 sec
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10
Merge slight left
56.4 mi · 1 hr
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11
Continue on I 40 West: Knoxville
1.1 km · 45 sec
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12
Merge slight left
52.8 mi · 59 min
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13
Keep slight left to continue on I 75 South: Chattanooga
83.1 mi · 1 hr 31 min
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14
Take the exit slight right toward I 24 West: Chattanooga, Nashville
1.1 km · 56 sec
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15
Continue on Chattanooga, Nashville
5.8 mi · 8 min
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16
Take the exit slight right toward US 27 North: Downtown, Lookout Mountain
999 ft · 15 sec
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17
Keep slight left to continue on US 27 North: Downtown, Lookout Mountain
1018 ft · 16 sec
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18
Keep slight left
1.4 mi · 2 min
-
19
Take the exit slight right toward Downtown
1123 ft · 26 sec
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20
Turn right onto West Martin Luther King Boulevard
897 ft · 30 sec · West Martin Luther King Boulevard
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21
Arrive at your destination
0 m · 1 sec · West Martin Luther King Boulevard
Car Route Details
A richer read on the saved driving route between Roan Mountain and Chattanooga.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 75 South
Keep slight left to continue on I 75 South: Chattanooga
83.1 mi · 01h 31m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Roan Mountain and Sunny then Slight Chance Rain Showers near Chattanooga.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Roan Mountain to Chattanooga?
The road trip is about 240.8 miles (387.5 km) and usually takes 03h 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?
Mascot is a useful midpoint, sitting about 120.2 miles from Roan Mountain and 120.6 miles from Chattanooga.
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 42.3 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 9:14 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $32.05 one way or $64.11 round trip. Estimated CO2 is about 75.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Roan Mountain and Sunny then Slight Chance Rain Showers near Chattanooga.
Flight Path Map
This map shows the direct air route between Roan Mountain and Chattanooga. Straight-line distance: 198.53 mi (319.5 km).
#1 Roan Mountain
Census-designated place in Carter County, Tennessee
| Population | 1,360 |
| Coordinates | 36.1962300, -82.0704000 |
| Altitude | 786 |
| Country | United States |
#2 Chattanooga
The fourth most populous city in Tennessee.
| Population | 184,742 |
| Coordinates | 35.0456300, -85.3096800 |
| Altitude | 206 |
| Country | United States |
End: West Martin Luther King Boulevard (-85.309688, 35.045753)
Estimated Travel Time
Distance: 388 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 01m |
| 40 mph (64.37 km/h) | 06h 01m |
| 50 mph (80.47 km/h) | 04h 48m |
| 60 mph (96.56 km/h) | 04h 00m |
| 70 mph (112.65 km/h) | 03h 26m |
| 80 mph (129 km/h) | 03h 00m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $32.05 | $64.11 |
| Mid-grade | $4.25 | $36.15 | $72.30 |
| Premium | $4.65 | $39.56 | $79.12 |
| Diesel | $5.30 | $45.08 | $90.17 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.