Origin
Chattanooga, TN
Evening in Chattanooga on Thursday
Local time
6:39 PM
EDT
Current temp
75°F
Unavailable
Live forecast
Trip from Chattanooga, TN to Roan Mountain, TN
Last recalculated Apr 16, 2026
Drive Time
4h 40m
Distance
239.2 mi
385 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$37
one way
EV Charging
Unknown
Best Time to Leave
4 AM
4h 27m
★
6 AM
4h 40m
8 AM
5h 7m
10 AM
4h 50m
12 PM
4h 47m
3 PM
4h 51m
5 PM
5h 6m
8 PM
4h 32m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Chattanooga, TN
Wikimedia Commons
Roan Mountain, TN
Beth Fitzpatrick
Trip Overview
The drive from Chattanooga, TN to Roan Mountain, TN covers 239.2 miles and takes about 4h 40m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on I 75, I 81, I 40 for much of the mileage, and the overall profile is highway-focused drive. The longest uninterrupted segment is about 99.2 miles on I 75. At current regular gas prices, budget about $37.40 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
119.6 miles from Chattanooga, TN
A natural place for your longest stop of the day , about 2h 16m into the drive .
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 4h 40m. Total distance: 239.2 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
4h 40m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (89%). Some complex stretches to watch for.
Drive Character
This is a 4h 40m highway drive covering 239.2 miles, with most of the trip on I 75 and I 81. The longest continuous stretch is about 99.2 miles on I 75.
Most of the miles stay on highways, which makes pacing and fuel planning easier than turn-by-turn city driving.
There are about 22 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 75 is the longest continuous segment at about 99.2 miles.
How Hard Is This Drive?
This is a straightforward highway drive that stays mostly on I 75 and I 81. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 7.3 miles in.
Driving Effort
9/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 18 significant decision points across 239.2 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 7.3 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 107.4 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here; at 144.1 miles (I 81): Highway fork - watch signs carefully.
Critical Maneuvers
5 of 18 key pointsThese are the spots where you need to pay the most attention. Preview them before you drive.
8
7.3 mi into trip
|
~11m in
Keep slight left at fork toward I 75 North: Knoxville
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight left / slight right lanes.
Exit 185 B
Toward I 75 North: Knoxville
6
107.4 mi into trip
|
~2h 2m in
|
I 40
Keep slight left at fork onto I 40
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
6
144.1 mi into trip
|
~2h 43m in
|
I 81
Keep slight left at fork onto I 81 toward I 81 North: Bristol
Highway fork - watch signs carefully
Exit 421
Toward I 81 North: Bristol
6
200.7 mi into trip
|
~3h 44m in
Take the exit toward I 26 East, US 23 South: Johnson City, Asheville
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 57A
Toward I 26 East, US 23 South: Johnson City, As...
6
216.2 mi into trip
|
~4h 3m in
Take the exit
Exit ramp - move to the correct lane early. Lane positioning matters here
Use the slight right lane.
Exit 24
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Chattanooga, TN and Roan Mountain, TN, road signs point toward Asheville and Milligan Highway.
Asheville
200.7 mi in
|
~3h 44m
Milligan Highway
216.6 mi in
|
~4h 3m
Main Roads
| Road | Distance | Duration |
|---|---|---|
| I 75 | 99.2 mi | 1h 49m |
| I 81 | 56.6 mi | 1h |
| I 40 | 36.7 mi | 40m |
| James H. Quillen Parkway | 15.1 mi | 18m |
| State Line Road | 10.4 mi | 14m |
| I 24 | 5.8 mi | 7m |
| Laurels Road | 3.9 mi | 6m |
| Dry Creek Road | 2.6 mi | 4m |
Longest stretch:
I 75
— 99.2 mi, about 1h 49m
Turn-by-Turn Driving Directions
Step-by-step road directions between Chattanooga, TN and Roan Mountain, TN.
1
Start on TN 8
80 ft
·
6 sec
·
West Martin Luther King Boulevard
2
Turn right onto Market Street
1.2 mi
·
3 min
·
Market Street
3
Turn left
0.3 mi
·
22 sec
4
Merge onto I 24; US 27
5.8 mi
·
7 min
·
I 24; US 27
5
Keep slight left at fork
0.9 mi
·
1 min
Exit 185 B
Toward I 75 North: Knoxville
Use the slight left / slight right lanes.
6
Merge onto I 75
99 mi
·
1 hr 49 min
·
I 75
Use the straight lane.
7
Keep slight left at fork onto I 40
37 mi
·
40 min
·
I 40
Use the straight / slight right lanes.
8
Keep slight left at fork onto I 81
57 mi
·
1 hr
·
I 81
Exit 421
Toward I 81 North: Bristol
9
Take the exit
0.4 mi
·
40 sec
Exit 57A
Toward I 26 East, US 23 South: Johnson City, Asheville
10
Merge onto I 26; US 23
15 mi
·
18 min
·
James H. Quillen Parkway
11
Take the exit
0.1 mi
·
16 sec
Exit 24
Use the slight right lane.
12
Turn slight right
342 ft
·
8 sec
13
Merge onto US 321; SR 67
0.2 mi
·
23 sec
·
University Parkway
14
Take the exit
0.2 mi
·
29 sec
Toward Milligan Highway
15
Turn right onto Milligan Highway
2.2 mi
·
3 min
·
Milligan Highway
16
Turn right onto SR 359
0.8 mi
·
1 min
·
Okolona Road
17
Turn left onto SR 361
3.9 mi
·
6 min
·
Laurels Road
18
Continue on SR 361
2.6 mi
·
4 min
·
Dry Creek Road
19
At end of road, turn right onto SR 361
2.4 mi
·
4 min
·
Gap Creek Road
20
Turn right onto US 19E
10 mi
·
14 min
·
State Line Road
21
Turn right onto Main Street
0.2 mi
·
47 sec
·
Main Street
22
Arrive at destination
Main Street
Trip Plan
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 119.6 miles from Chattanooga, TN, or about 2h 16m into the drive.
The longest continuous stretch on this route runs about 99.2 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 53 miles or 1h 2m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 119.6 miles or 2h 16m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 39m
Traffic, exits, and arrival timing usually matter more near Roan Mountain, TN than in the middle of the route.
Before You Leave
+
Open the route before leaving Chattanooga, TN so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Chattanooga, TN
This is one driving day of about 239.2 miles and 4h 40m.
Your first comfortable stop window is around 53 miles from Chattanooga, TN.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 75 for about 99.2 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 119.6 mi from Chattanooga, TN · 2h 16m into the drive
Mid-route town
Meal stop
120 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 53 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 119.6 miles from Chattanooga, TN, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before I 75 if your tank is already low. That segment runs about 99.2 miles.
Arriving in Roan Mountain, TN
The final approach into Roan Mountain, TN usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Roan Mountain, TN.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$37.40 one way
$74.79 round trip
$3.97/gal
25.4 MPG avg
84 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.36 | $41.06 | $82.12 |
| premium | $4.89 | $46.03 | $92.06 |
| diesel | $5.61 | $52.81 | $105.62 |
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$37
Meals
$25–$50
Total
$62–$87
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 83.7 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $25 in charging · 0 stops · 67% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 71.8 | 0 | $25.12 | $11.48 |
| Efficient EV | 59.8 | 0 | $20.93 | $9.57 |
| EV Truck/SUV | 95.7 | 1 | $33.49 | $15.31 |
Gas CO2
84 kg
EV CO2
28 kg (67% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Roan Mountain, TN
Evening in Roan Mountain on Thursday
Local time
6:39 PM
EDT
Current temp
--
Unavailable
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Road read
4h 40m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
Frequently Asked Questions
The drive from Chattanooga, TN to Roan Mountain, TN covers 239.2 miles and takes about 4h 40m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 75, I 81, I 40. Most of the drive stays on highways, so watch for ramps and exits.
This is a comfortable same-day trip.
The midpoint is about 119.6 miles from Chattanooga, TN. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $37.40 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
This is a demanding drive. With 18 significant decision points across 239.2 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
The main spots that need attention: at 7.3 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 107.4 miles (I 40): Highway fork - watch signs carefully. Lane positioning matters here; at 144.1 miles (I 81): Highway fork - watch signs carefully.
Between Chattanooga, TN and Roan Mountain, TN, road signs point toward Asheville and Milligan Highway.
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