How far is Gallatin, TN from Brentwood, TN?
The driving distance from Gallatin, TN to Brentwood, TN is about 165.2 miles (265.8 km), with a travel time of about 02h 41m by car.
- The straight-line flight distance is about 134.5 miles (216.5 km).
- For a round trip, plan for roughly 05h 22m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CDT.
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 41m.
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.
Town in Tennessee, United States
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 Gallatin and Brentwood.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gallatin and Brentwood.
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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
-
4
Continue straight
7.1 mi · 12 min
-
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
145.2 mi · 2 hr 38 min
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8
Take the exit slight right toward Cedar Bluff Road
2221 ft · 56 sec
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9
Turn left onto North Cedar Bluff Road
1.7 mi · 3 min · North Cedar Bluff Road
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10
Turn right onto Middlebrook Pike
2844 ft · 1 min · Middlebrook Pike
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11
Turn left onto Chert Pit Road
1.3 km · 2 min · Chert Pit Road
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12
Continue on Andes Road
1468 ft · 40 sec · Andes Road
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13
Arrive at your destination
0 m · 1 sec · Andes Road
Car Route Details
A richer read on the saved driving route between Gallatin and Brentwood.
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
145 mi · 02h 38m
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.
Sunny leaving Gallatin and Sunny near Brentwood.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Gallatin to Brentwood?
The road trip is about 165.2 miles (265.8 km) and usually takes 02h 41m 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?
Monterey is a useful midpoint, sitting about 82 miles from Gallatin and 83.2 miles from Brentwood.
How much longer is the road route than the straight-line distance?
The direct path is about 134.5 miles (216.5 km), while the road route adds roughly 30.7 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 CDT. If you want a more comfortable same-day return, try to leave by 1:08 PM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.98 one way or $43.97 round trip. Estimated CO2 is about 51.8 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Gallatin and Brentwood, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Gallatin and Sunny near Brentwood.
Flight Path Map
This map shows the direct air route between Gallatin and Brentwood. Straight-line distance: 134.51 mi (216.47 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 Brentwood
A city in Williamson County, Tennessee.
| Population | 42,876 |
| Coordinates | 35.9561900, -84.0951900 |
| Altitude | 327 |
| Country | United States |
End: Andes Road (-84.095591, 35.955998)
Estimated Travel Time
Distance: 266 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 30m |
| 40 mph (64.37 km/h) | 04h 07m |
| 50 mph (80.47 km/h) | 03h 18m |
| 60 mph (96.56 km/h) | 02h 45m |
| 70 mph (112.65 km/h) | 02h 21m |
| 80 mph (129 km/h) | 02h 03m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $21.98 | $43.97 |
| Mid-grade | $4.25 | $24.79 | $49.59 |
| Premium | $4.65 | $27.13 | $54.27 |
| Diesel | $5.30 | $30.92 | $61.84 |
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 22, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.