How far is Roan Mountain, TN from Erwin, TN?
The driving distance from Roan Mountain, TN to Erwin, TN is about 25.4 miles (40.9 km), with a travel time of about 00h 42m by car.
- The straight-line flight distance is about 19.6 miles (31.6 km).
- For a round trip, plan for roughly 01h 25m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 42m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Tennessee, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Roan Mountain and Erwin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Roan Mountain and Erwin.
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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
7.9 mi · 11 min
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3
Turn left onto Simerly Creek Road
6.5 mi · 11 min · Simerly Creek Road
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4
At the end of the road, turn right
5.6 mi · 10 min
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5
At the end of the road, turn left onto Unicoi Drive
1.6 mi · 3 min · Unicoi Drive
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6
Continue on North Main Avenue
3.7 mi · 7 min · North Main Avenue
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7
Arrive at your destination
0 m · 1 sec · South Main Avenue
Car Route Details
A richer read on the saved driving route between Roan Mountain and Erwin.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Longest stretch
At the end of the road, turn left
7.87 mi · 00h 11m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Sunny leaving Roan Mountain and Sunny near Erwin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Roan Mountain to Erwin?
The road trip is about 25.4 miles (40.9 km) and usually takes 00h 42m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Oak Hill is a useful midpoint, sitting about 12.7 miles from Roan Mountain and 12.7 miles from Erwin.
How much longer is the road route than the straight-line distance?
The direct path is about 19.6 miles (31.6 km), while the road route adds roughly 5.8 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:04 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.51 one way or $7.03 round trip. Estimated CO2 is about 8 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Roan Mountain and Sunny near Erwin.
Flight Path Map
This map shows the direct air route between Roan Mountain and Erwin. Straight-line distance: 19.64 mi (31.61 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 Erwin
Human settlement in Tennessee, United States of America
| Population | 5,854 |
| Coordinates | 36.1451100, -82.4168100 |
| Altitude | 510 |
| Country | United States |
End: Erwin (-82.41681, 36.14511)
Estimated Travel Time
Distance: 41 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 50m |
| 40 mph (64.37 km/h) | 00h 38m |
| 50 mph (80.47 km/h) | 00h 30m |
| 60 mph (96.56 km/h) | 00h 25m |
| 70 mph (112.65 km/h) | 00h 21m |
| 80 mph (129 km/h) | 00h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.90 | $3.51 | $7.03 |
| Mid-grade | $4.37 | $3.93 | $7.86 |
| Premium | $4.77 | $4.30 | $8.59 |
| Diesel | $6.00 | $5.40 | $10.80 |
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 · Oct 15, 2026