How far is Erwin, TN from Chattanooga, TN?
The driving distance from Erwin, TN to Chattanooga, TN is about 211.6 miles (340.6 km), with a travel time of about 03h 25m by car.
- The straight-line flight distance is about 179.4 miles (288.7 km).
- For a round trip, plan for roughly 06h 51m 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 25m.
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.
Sunny
Driving Route Map
The map below follows the saved road route between Erwin and Chattanooga.
Turn-by-Turn Driving Directions
Step-by-step road directions between Erwin and Chattanooga.
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1
Start on South Main Avenue
1204 ft · 35 sec · South Main Avenue
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2
Turn left onto 2nd Street
1977 ft · 42 sec · 2nd Street
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3
Continue on Jonesborough Road
6.6 mi · 10 min · Jonesborough Road
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4
Turn left onto Governor John Sevier Highway
11.3 mi · 17 min · Governor John Sevier Highway
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5
Continue on Erwin Highway
6.4 mi · 10 min · Erwin Highway
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6
Continue on Tusculum Bypass
1.5 km · 1 min · Tusculum Bypass
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7
At the end of the road, turn left onto East Andrew Johnson Highway
18.3 mi · 22 min · East Andrew Johnson Highway
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8
Turn left
1561 ft · 40 sec
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9
Merge slight left
22 mi · 24 min
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10
Continue on I 40 West: Knoxville
1.1 km · 45 sec
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11
Merge slight left
52.8 mi · 59 min
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12
Keep slight left to continue on I 75 South: Chattanooga
83.1 mi · 1 hr 31 min
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13
Take the exit slight right toward I 24 West: Chattanooga, Nashville
1.1 km · 56 sec
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14
Continue on Chattanooga, Nashville
5.8 mi · 8 min
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15
Take the exit slight right toward US 27 North: Downtown, Lookout Mountain
999 ft · 15 sec
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16
Keep slight left to continue on US 27 North: Downtown, Lookout Mountain
1018 ft · 16 sec
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17
Keep slight left
1.4 mi · 2 min
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18
Take the exit slight right toward Downtown
1123 ft · 26 sec
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19
Turn right onto West Martin Luther King Boulevard
897 ft · 30 sec · West Martin Luther King Boulevard
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20
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 Erwin 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.
Sunny leaving Erwin and Sunny near Chattanooga.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Erwin to Chattanooga?
The road trip is about 211.6 miles (340.6 km) and usually takes 03h 25m 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 105.7 miles from Erwin and 105.9 miles from Chattanooga.
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 32.2 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 10:08 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $28.17 one way or $56.34 round trip. Estimated CO2 is about 66.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Erwin and Sunny near Chattanooga.
Flight Path Map
This map shows the direct air route between Erwin and Chattanooga. Straight-line distance: 179.4 mi (288.71 km).
#1 Erwin
Human settlement in Tennessee, United States of America
| Population | 5,854 |
| Coordinates | 36.1451100, -82.4168100 |
| Altitude | 510 |
| 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: 341 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 07h 03m |
| 40 mph (64.37 km/h) | 05h 17m |
| 50 mph (80.47 km/h) | 04h 13m |
| 60 mph (96.56 km/h) | 03h 31m |
| 70 mph (112.65 km/h) | 03h 01m |
| 80 mph (129 km/h) | 02h 38m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $28.17 | $56.34 |
| Mid-grade | $4.25 | $31.77 | $63.54 |
| Premium | $4.65 | $34.77 | $69.53 |
| Diesel | $5.30 | $39.62 | $79.24 |
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