How far is Seymour, TN from Chattanooga, TN?
The driving distance from Seymour, TN to Chattanooga, TN is about 126.1 miles (203 km), with a travel time of about 02h 08m by car.
- The straight-line flight distance is about 106.6 miles (171.6 km).
- For a round trip, plan for roughly 04h 16m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 08m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 McMinn County, Tennessee, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Cloudy
Driving Route Map
The map below follows the saved road route between Seymour and Chattanooga.
Turn-by-Turn Driving Directions
Step-by-step road directions between Seymour and Chattanooga.
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1
Start on Boyds Creek Highway
2.3 mi · 4 min · Boyds Creek Highway
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2
Take the ramp straight
73 m · 7 sec
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3
Merge slight left onto Chapman Highway
11.5 mi · 14 min · Chapman Highway
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4
Continue on Henley Street
1 km · 1 min · Henley Street
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5
Continue on Henley Street
727 ft · 14 sec · Henley Street
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6
Turn slight left onto Western Avenue
1.1 km · 1 min · Western Avenue
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7
Turn left onto Ailor Avenue
2326 ft · 43 sec · Ailor Avenue
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8
Take the ramp straight toward I 40 West, I 75 South
1637 ft · 40 sec
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9
Merge slight left
18.3 mi · 21 min
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10
Keep slight left to continue on I 75 South: Chattanooga
83.1 mi · 1 hr 31 min
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11
Take the exit slight right toward I 24 West: Chattanooga, Nashville
1.1 km · 56 sec
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12
Continue on Chattanooga, Nashville
5.8 mi · 8 min
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13
Take the exit slight right toward US 27 North: Downtown, Lookout Mountain
999 ft · 15 sec
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14
Keep slight left to continue on US 27 North: Downtown, Lookout Mountain
1018 ft · 16 sec
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15
Keep slight left
1.4 mi · 2 min
-
16
Take the exit slight right toward Downtown
1123 ft · 26 sec
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17
Turn right onto West Martin Luther King Boulevard
897 ft · 30 sec · West Martin Luther King Boulevard
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18
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 Seymour 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 comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Cloudy leaving Seymour and Cloudy near Chattanooga.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Seymour to Chattanooga?
The road trip is about 126.1 miles (203 km) and usually takes 02h 08m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Niota is a useful midpoint, sitting about 63 miles from Seymour and 63.2 miles from Chattanooga.
How much longer is the road route than the straight-line distance?
The direct path is about 106.6 miles (171.6 km), while the road route adds roughly 19.5 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 8:00 AM to 10:00 AM EST. If you want a more comfortable same-day return, try to leave by 2:14 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $16.67 one way or $33.35 round trip. Estimated CO2 is about 39.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Seymour and Cloudy near Chattanooga.
Flight Path Map
This map shows the direct air route between Seymour and Chattanooga. Straight-line distance: 106.6 mi (171.56 km).
#1 Seymour
Seymour is a place in Tennessee, United States.
| Population | 0 |
| Coordinates | 35.8906400, -83.7246200 |
| Altitude | 285 |
| 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: 203 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 12m |
| 40 mph (64.37 km/h) | 03h 09m |
| 50 mph (80.47 km/h) | 02h 31m |
| 60 mph (96.56 km/h) | 02h 06m |
| 70 mph (112.65 km/h) | 01h 48m |
| 80 mph (129 km/h) | 01h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.75 | $16.67 | $33.35 |
| Mid-grade | $4.21 | $18.73 | $37.46 |
| Premium | $4.62 | $20.56 | $41.12 |
| Diesel | $5.95 | $26.47 | $52.95 |
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 31, 2026