How far is Chattanooga, TN from Portland, TN?
The driving distance from Chattanooga, TN to Portland, TN is about 159.9 miles (257.3 km), with a travel time of about 03h 04m by car.
- The straight-line flight distance is about 125.8 miles (202.5 km).
- For a round trip, plan for roughly 06h 09m 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 04m.
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.
Human settlement in Bedford County, Tennessee, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms Likely then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Chattanooga and Portland.
Turn-by-Turn Driving Directions
Step-by-step road directions between Chattanooga and Portland.
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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
104.4 mi · 1 hr 57 min
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6
Take the exit slight right toward I 840 East: Lebanon, Knoxville
3232 ft · 55 sec
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7
Merge slight left onto Tennessee National Guard Parkway
18.5 mi · 20 min · Tennessee National Guard Parkway
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8
Take the exit slight right toward TN 265 West: Central Pike
1510 ft · 52 sec
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9
Continue on Central Pike
16.8 mi · 23 min · Central Pike
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10
Turn left
17.6 mi · 20 min
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11
Arrive at your destination
0 m · 1 sec · North Broadway
Car Route Details
A richer read on the saved driving route between Chattanooga and Portland.
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
104 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.
Showers And Thunderstorms leaving Chattanooga and Showers And Thunderstorms Likely then Chance Showers And Thunderstorms near Portland.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Chattanooga to Portland?
The road trip is about 159.9 miles (257.3 km) and usually takes 03h 04m 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?
Wartrace is a useful midpoint, sitting about 80 miles from Chattanooga and 79.9 miles from Portland.
How much longer is the road route than the straight-line distance?
The direct path is about 125.8 miles (202.5 km), while the road route adds roughly 34.1 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 10:50 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.27 one way or $42.54 round trip. Estimated CO2 is about 50.1 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Chattanooga and Portland, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Chattanooga and Showers And Thunderstorms Likely then Chance Showers And Thunderstorms near Portland.
Stop Ideas Near Wartrace
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 Wartrace.
Nashville, TN
Flight Path Map
This map shows the direct air route between Chattanooga and Portland. Straight-line distance: 125.83 mi (202.51 km).
#1 Chattanooga
The fourth most populous city in Tennessee.
| Population | 184,742 |
| Coordinates | 35.0456300, -85.3096800 |
| Altitude | 206 |
| Country | United States |
#2 Portland
City in Sumner County, Tennessee, United States
| Population | 13,301 |
| Coordinates | 36.5817100, -86.5163800 |
| Altitude | 244 |
| Country | United States |
End: Portland (-86.51638, 36.58171)
Estimated Travel Time
Distance: 257 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 19m |
| 40 mph (64.37 km/h) | 03h 59m |
| 50 mph (80.47 km/h) | 03h 11m |
| 60 mph (96.56 km/h) | 02h 39m |
| 70 mph (112.65 km/h) | 02h 17m |
| 80 mph (129 km/h) | 01h 59m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $21.27 | $42.54 |
| Mid-grade | $4.25 | $23.99 | $47.97 |
| Premium | $4.65 | $26.25 | $52.50 |
| Diesel | $5.30 | $29.91 | $59.83 |
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 25, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.