How far is Chattanooga, TN from Erwin, TN?
The driving distance from Chattanooga, TN to Erwin, TN is about 211 miles (339.5 km), with a travel time of about 04h 09m by car.
- The straight-line flight distance is about 179.4 miles (288.7 km).
- For a round trip, plan for roughly 08h 18m 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 04h 09m.
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.
A city in Williamson County, Tennessee.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between Chattanooga and Erwin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Chattanooga and Erwin.
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1
Start on West Martin Luther King Boulevard
24 m · 6 sec · West Martin Luther King Boulevard
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2
Turn right onto Market Street
1.2 mi · 3 min · Market Street
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3
Turn left
1378 ft · 23 sec
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4
Merge slight left
5.8 mi · 8 min
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5
Keep slight left to continue on I 75 North: Knoxville
1.4 km · 1 min
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6
Merge slight left
99.2 mi · 1 hr 50 min
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7
Keep slight left
36.7 mi · 41 min
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8
Keep slight left to continue on I 81 North: Bristol
22.7 mi · 24 min
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9
Take the exit slight right toward US 11E: Mosheim, Greeneville, Bulls Gap
2149 ft · 46 sec
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10
Turn right onto West Andrew Johnson Highway
18 mi · 22 min · West Andrew Johnson Highway
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11
Turn right onto Tusculum Bypass
1.5 km · 1 min · Tusculum Bypass
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12
Continue on Erwin Highway
6.4 mi · 10 min · Erwin Highway
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13
Continue on Governor John Sevier Highway
11.3 mi · 17 min · Governor John Sevier Highway
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14
Continue straight
6.9 mi · 11 min
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15
Turn right onto North Main Avenue
1204 ft · 28 sec · North Main Avenue
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16
Arrive at your destination
0 m · 1 sec · South Main Avenue
Car Route Details
A richer read on the saved driving route between Chattanooga and Erwin.
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 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.
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.
Sunny leaving Chattanooga and Sunny near Erwin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Chattanooga to Erwin?
The road trip is about 211 miles (339.5 km) and usually takes 04h 09m 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?
Brentwood is a useful midpoint, sitting about 105.4 miles from Chattanooga and 105.6 miles from Erwin.
How much longer is the road route than the straight-line distance?
The direct path is about 179.4 miles (288.7 km), while the road route adds roughly 31.6 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 8:42 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.06 one way or $56.11 round trip. Estimated CO2 is about 66.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Chattanooga and Sunny near Erwin.
Flight Path Map
This map shows the direct air route between Chattanooga and Erwin. Straight-line distance: 179.4 mi (288.71 km).
#1 Chattanooga
The fourth most populous city in Tennessee.
| Population | 184,742 |
| Coordinates | 35.0456300, -85.3096800 |
| Altitude | 206 |
| 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: 340 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 01m |
| 40 mph (64.37 km/h) | 05h 16m |
| 50 mph (80.47 km/h) | 04h 13m |
| 60 mph (96.56 km/h) | 03h 30m |
| 70 mph (112.65 km/h) | 03h 00m |
| 80 mph (129 km/h) | 02h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $28.06 | $56.11 |
| Mid-grade | $4.25 | $31.64 | $63.28 |
| Premium | $4.65 | $34.63 | $69.25 |
| Diesel | $5.30 | $39.46 | $78.92 |
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 10, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.