How far is Gallatin, TN from Seymour, TN?
The driving distance from Gallatin, TN to Seymour, TN is about 185.5 miles (298.6 km), with a travel time of about 03h 32m by car.
- The straight-line flight distance is about 155.7 miles (250.6 km).
- For a round trip, plan for roughly 07h 04m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CST.
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 32m.
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.
Town in Tennessee, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Cloudy
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Gallatin and Seymour.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gallatin and Seymour.
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1
Start on West Main Street
21 m · 5 sec · West Main Street
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2
Turn right onto South Water Avenue
1.7 mi · 3 min · South Water Avenue
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3
Continue straight
2.2 mi · 3 min
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4
Continue straight
7.1 mi · 12 min
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5
Continue straight
3.6 mi · 4 min
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6
Turn left onto I 40 East: Knoxville
2310 ft · 58 sec
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7
Merge slight left
152.3 mi · 2 hr 46 min
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8
Keep slight left
2.9 mi · 4 min
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9
Take the exit slight right toward Convention Center, East Tennessee History Center, Museum of Art
2116 ft · 28 sec
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10
Keep slight left to continue on Convention Center, East Tennessee History Center, Museum of Art
2403 ft · 56 sec
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11
Continue on Henley Street
1 km · 1 min · Henley Street
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12
Continue on Chapman Highway
11.5 mi · 14 min · Chapman Highway
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13
Turn left onto Boyds Creek Highway
2.3 mi · 4 min · Boyds Creek Highway
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14
Arrive at your destination
0 m · 1 sec · Boyds Creek Highway
Car Route Details
A richer read on the saved driving route between Gallatin and Seymour.
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 40 East
Merge slight left
152 mi · 02h 46m
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.
Cloudy leaving Gallatin and Mostly Cloudy near Seymour.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gallatin to Seymour?
The road trip is about 185.5 miles (298.6 km) and usually takes 03h 32m 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?
Monterey is a useful midpoint, sitting about 92.6 miles from Gallatin and 92.9 miles from Seymour.
How much longer is the road route than the straight-line distance?
The direct path is about 155.7 miles (250.6 km), while the road route adds roughly 29.8 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 CST. If you want a more comfortable same-day return, try to leave by 9:56 AM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $24.54 one way or $49.09 round trip. Estimated CO2 is about 58.2 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Gallatin and Seymour, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Cloudy around Gallatin and Mostly Cloudy near Seymour.
Flight Path Map
This map shows the direct air route between Gallatin and Seymour. Straight-line distance: 155.72 mi (250.61 km).
#1 Gallatin
The most populous city in Sumner County, Tennessee.
| Population | 44,335 |
| Coordinates | 36.3883800, -86.4466600 |
| Altitude | 164 |
| Country | United States |
#2 Seymour
Seymour is a place in Tennessee, United States.
| Population | 0 |
| Coordinates | 35.8906400, -83.7246200 |
| Altitude | 285 |
| Country | United States |
End: Seymour (-83.72462, 35.89064)
Estimated Travel Time
Distance: 299 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 10m |
| 40 mph (64.37 km/h) | 04h 38m |
| 50 mph (80.47 km/h) | 03h 42m |
| 60 mph (96.56 km/h) | 03h 05m |
| 70 mph (112.65 km/h) | 02h 39m |
| 80 mph (129 km/h) | 02h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.75 | $24.54 | $49.09 |
| Mid-grade | $4.21 | $27.57 | $55.14 |
| Premium | $4.62 | $30.26 | $60.52 |
| Diesel | $5.95 | $38.97 | $77.93 |
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