How far is Brentwood, TN from Union City, TN?

The driving distance from Brentwood, TN to Union City, TN is about 351.1 miles (565 km), with a travel time of about 06h 27m by car.

  • The straight-line flight distance is about 278.6 miles (448.3 km).
  • For a round trip, plan for roughly 12h 55m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
351.08 mi
06h 27m
Flight
278.54 mi
448.26 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Brentwood.

Flight Distance

Direct air line
278.54 mi
Kilometers
448.26 km
Flight Time
00h 33m

Driving Distance

Road route
351.08 mi
Kilometers
565.01 km
Drive Time
06h 27m

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 06h 27m.

Arrival Snapshot
Arrive in Union City
Mon, May 18, 2:45 PM CDT
Return by in Brentwood
Mon, May 18, 10:12 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Brentwood
2026-05-18T09:17
Arrive Union City
Mon, May 18, 3:45 PM EDT
Route Timing
06h 27m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
11:28 AM to 12:58 PM CDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
11:04 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Brentwood
8:00 PM EDT
Overnight-style route

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.

Mid-route stop
Nashville
TN

The twenty-second most populous city in the United States and the center of the Nashville metropolitan area.

From Brentwood
175.4 mi
03h 13m
To Union City
175.7 mi
03h 13m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
90°F
Monday

Sunny

Starts
Mon, May 18 6:00 AM EDT
Wind
0 to 10 mph S
Destination
90°F
Monday

Partly Sunny then Slight Chance Showers And Thunderstorms

Starts
Mon, May 18 6:00 AM CDT
Wind
10 to 15 mph S

Driving Route Map

The map below follows the saved road route between Brentwood and Union City.

Turn-by-Turn Driving Directions

Step-by-step road directions between Brentwood and Union City.

  1. 1

    Start on Andes Road

    1468 ft · 40 sec · Andes Road

  2. 2

    Continue on Chert Pit Road

    1.3 km · 2 min · Chert Pit Road

  3. 3

    Turn right onto Middlebrook Pike

    2804 ft · 1 min · Middlebrook Pike

  4. 4

    Turn left onto North Cedar Bluff Road

    1.6 mi · 3 min · North Cedar Bluff Road

  5. 5

    Take the ramp slight right toward I 40, I 75

    60 m · 5 sec

  6. 6

    Turn slight right onto I 40 West, I 75 South: Nashville, Chattanooga

    1309 ft · 32 sec

  7. 7

    Merge slight left

    9.4 mi · 11 min

  8. 8

    Keep slight right to continue on Nashville

    154.8 mi · 2 hr 47 min

  9. 9

    Keep slight right to continue on I 24 West, I 40 West: Nashville

    2.1 mi · 3 min

  10. 10

    Keep slight right to continue on I 24 West: Clarksville, Louisville

    1725 ft · 28 sec

  11. 11

    Merge slight left onto Downtown Loop

    2.3 mi · 3 min · Downtown Loop

  12. 12

    Continue on I 24 West, I 65 North: Clarksville, Louisville

    2.1 mi · 3 min

  13. 13

    Take the exit slight left toward I 24 West: Clarksville

    112.7 mi · 2 hr 1 min

  14. 14

    Keep slight left

    51.9 mi · 56 min

  15. 15

    Take the exit slight right toward Union City, Memphis

    1149 ft · 25 sec

  16. 16

    Keep slight left to continue on Martin

    58 m · 6 sec

  17. 17

    Turn right

    146 m · 6 sec

  18. 18

    Continue straight

    4.8 mi · 5 min

  19. 19

    Take the exit slight right toward Union City, Troy

    3021 ft · 55 sec

  20. 20

    Continue straight

    4 mi · 5 min

  21. 21

    Turn left onto North Clover Street

    1.6 km · 2 min · North Clover Street

  22. 22

    Turn right onto East Cheatham Street

    2073 ft · 47 sec · East Cheatham Street

  23. 23

    Turn left onto North Division Street

    2459 ft · 51 sec · North Division Street

  24. 24

    At the end of the road, turn right onto East Main Street

    834 ft · 26 sec · East Main Street

  25. 25

    At the end of the road, turn left onto East Main Street

    36 m · 3 sec · East Main Street

  26. 26

    Turn straight onto South 1st Street

    141 m · 23 sec · South 1st Street

  27. 27

    Turn left onto East Church Street

    23 m · 3 sec · East Church Street

  28. 28

    Arrive at your destination

    0 m · 1 sec · East Church Street

Car Route Details

A richer read on the saved driving route between Brentwood and Union City.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
28 steps
11 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
8 / 100 mi
Decision points by distance
Main Roads
I 24 West
169 mi · 48%
Nashville
155 mi · 44%
I 40 West
9.6 mi · 3%
Martin
9.35 mi · 3%
Downtown Loop
2.33 mi · 1%
North Cedar Bluff Road
1.58 mi
Longest Stretch

Nashville

Keep slight right to continue on Nashville

155 mi · 02h 47m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
06h 27m
Overnight route
Same-Day Return
12h 56m
Round-trip wheel time
Road vs Air
+72.5 mi
278.6 mi direct line
Halfway Stop
Nashville
03h 13m from Brentwood
Leave By
11:04 PM EDT
Overnight-style route
Weather Watch

Sunny leaving Brentwood and Partly Sunny then Slight Chance Showers And Thunderstorms near Union City.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Brentwood to Union City?

The road trip is about 351.1 miles (565 km) and usually takes 06h 27m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Nashville is a useful midpoint, sitting about 175.4 miles from Brentwood and 175.7 miles from Union City.

How much longer is the road route than the straight-line distance?

The direct path is about 278.6 miles (448.3 km), while the road route adds roughly 72.5 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 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $46.72 one way or $93.45 round trip. Estimated CO2 is about 110.1 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Brentwood and Union City, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Sunny around Brentwood and Partly Sunny then Slight Chance Showers And Thunderstorms near Union City.

Stop Ideas Near Nashville

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Nashville, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Nashville.

BUS

Nashville, TN

2 mi away
705 5th Avenue South
BUS

Clarksville, TN

66 mi away
11 Jefferson Street \r\n

Flight Path Map

This map shows the direct air route between Brentwood and Union City. Straight-line distance: 278.54 mi (448.26 km).

Brentwood

#1 Brentwood

A city in Williamson County, Tennessee.

Population42,876
Coordinates35.9561900, -84.0951900
Altitude327
CountryUnited States
Union City

#2 Union City

Town in Tennessee, United States

Population10,325
Coordinates36.4242300, -89.0570100
Altitude102
CountryUnited States
Start: Brentwood (-84.09519, 35.95619)
End: Union City (-89.05701, 36.42423)

Estimated Travel Time

Distance: 565 km by road

SpeedTime
30 mph (48.3 km/h)11h 41m
40 mph (64.37 km/h)08h 46m
50 mph (80.47 km/h)07h 01m
60 mph (96.56 km/h)05h 51m
70 mph (112.65 km/h)05h 00m
80 mph (129 km/h)04h 22m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
12.39 gal
46.9 L · about $46.72
Round trip
$93.45
24.78 gal · 93.8 L
Estimated CO2
110.1 kg one way
Round trip: 220.2 kg / 485 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $46.72 $93.45
Mid-grade $4.25 $52.69 $105.39
Premium $4.65 $57.66 $115.33
Diesel $5.30 $65.72 $131.43

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 · May 18, 2026

Please keep in mind that there is a 1 hour time gap between Brentwood, TN and Union City, TN. The current time in Brentwood is 09:17:32, although it is 08:17:32 in Union City.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.