How far is Chattanooga, TN from Erin, TN?
The driving distance from Chattanooga, TN to Erin, TN is about 197.6 miles (318 km), with a travel time of about 03h 59m by car.
- The straight-line flight distance is about 160.1 miles (257.7 km).
- For a round trip, plan for roughly 07h 59m 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 59m.
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.
The second most populous city in Tennessee.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Chattanooga and Erin.
Turn-by-Turn Driving Directions
Step-by-step road directions between Chattanooga and Erin.
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1
Start on West Martin Luther King Boulevard
1761 ft · 56 sec · West Martin Luther King Boulevard
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2
Turn left
1246 ft · 31 sec
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3
Merge slight left
1.2 km · 59 sec
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4
Keep slight right to continue on 24: Nashville, Birmingham
2222 ft · 42 sec
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5
Merge slight left
104.9 mi · 1 hr 57 min
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6
Take the exit slight right toward I 840 West: Memphis, Franklin
1.4 km · 2 min
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7
Merge slight left onto Tennessee National Guard Parkway
53.7 mi · 58 min · Tennessee National Guard Parkway
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8
Merge slight left
3.1 mi · 3 min
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9
Take the exit slight right toward SR 46: Centerville, Dickson
1446 ft · 31 sec
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10
Turn right
4.4 mi · 7 min
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11
Turn left onto East College Street
1.4 mi · 3 min · East College Street
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12
Continue on West College Street
147 m · 10 sec · West College Street
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13
Turn right onto Pond Road
2.6 mi · 5 min · Pond Road
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14
Continue on Yellow Creek Road
14.1 mi · 25 min · Yellow Creek Road
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15
Turn left
5.2 mi · 8 min
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16
Continue straight
5.2 mi · 9 min
-
17
Turn left onto Spring Street
2 m · 1 sec · Spring Street
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18
Arrive at your destination
0 m · 1 sec · Spring Street
Car Route Details
A richer read on the saved driving route between Chattanooga and Erin.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
24
Merge slight left
105 mi · 01h 57m
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 Clear leaving Chattanooga and Showers And Thunderstorms near Erin.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Chattanooga to Erin?
The road trip is about 197.6 miles (318 km) and usually takes 03h 59m 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?
Murfreesboro is a useful midpoint, sitting about 98.7 miles from Chattanooga and 98.8 miles from Erin.
How much longer is the road route than the straight-line distance?
The direct path is about 160.1 miles (257.7 km), while the road route adds roughly 37.5 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 9:00 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $26.28 one way or $52.57 round trip. Estimated CO2 is about 61.9 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Chattanooga and Erin, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Mostly Clear around Chattanooga and Showers And Thunderstorms near Erin.
Stop Ideas Near Murfreesboro
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Murfreesboro.
Nashville, TN
Clarksville, TN
Flight Path Map
This map shows the direct air route between Chattanooga and Erin. Straight-line distance: 160.15 mi (257.73 km).
#1 Chattanooga
The fourth most populous city in Tennessee.
| Population | 184,742 |
| Coordinates | 35.0456300, -85.3096800 |
| Altitude | 206 |
| Country | United States |
#2 Erin
City in Tennessee, United States
| Population | 1,308 |
| Coordinates | 36.3183900, -87.6947400 |
| Altitude | 136 |
| Country | United States |
End: Erin (-87.69474, 36.31839)
Estimated Travel Time
Distance: 318 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 34m |
| 40 mph (64.37 km/h) | 04h 56m |
| 50 mph (80.47 km/h) | 03h 57m |
| 60 mph (96.56 km/h) | 03h 17m |
| 70 mph (112.65 km/h) | 02h 49m |
| 80 mph (129 km/h) | 02h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $26.28 | $52.57 |
| Mid-grade | $4.25 | $29.64 | $59.29 |
| Premium | $4.65 | $32.44 | $64.88 |
| Diesel | $5.30 | $36.97 | $73.94 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.