How far is Union, TN from Nashville, TN?

The driving distance from Union, TN to Nashville, TN is about 175.5 miles (282.4 km), with a travel time of about 02h 53m by car.

  • The straight-line flight distance is about 136.5 miles (219.6 km).
  • For a round trip, plan for roughly 05h 46m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
175.48 mi
02h 53m
Flight
136.48 mi
219.65 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Union.

Flight Distance

Direct air line
136.48 mi
Kilometers
219.65 km
Flight Time
00h 16m

Driving Distance

Road route
175.48 mi
Kilometers
282.4 km
Drive Time
02h 53m

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 53m.

Arrival Snapshot
Arrive in Nashville
Fri, Oct 16, 12:24 AM CDT
Return by in Union
Fri, Oct 16, 4:17 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Union
2026-10-15T22:31
Arrive Nashville
Fri, Oct 16, 1:24 AM EDT
Route Timing
02h 53m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:53 AM to 11:53 AM CDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
12:44 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Union
9:30 PM EDT
Morning start is best

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
Monteagle
TN

Town in Franklin County, Tennessee, United States

From Union
86.8 mi
01h 26m
To Nashville
88.7 mi
01h 26m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
84°F
This Afternoon

Sunny

Starts
Thu, Oct 15 4:00 PM EDT
Wind
5 mph W
Destination
92°F
This Afternoon

Sunny

Starts
Thu, Oct 15 2:00 PM CDT
Wind
10 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Union and Nashville.

  1. 1

    Start on Hughes Lake Road Southeast

    1.3 mi · 3 min · Hughes Lake Road Southeast

  2. 2

    Turn slight left onto Spring Place Road Southeast

    8.4 mi · 15 min · Spring Place Road Southeast

  3. 3

    Take the ramp slight right

    900 ft · 25 sec

  4. 4

    Merge slight left onto Appalachian Highway

    5.4 mi · 7 min · Appalachian Highway

  5. 5

    Take the exit left

    1530 ft · 37 sec

  6. 6

    Merge slight left

    18.4 mi · 22 min

  7. 7

    Take the exit slight right toward I 24 West: Chattanooga, Nashville

    1.1 km · 56 sec

  8. 8

    Continue on Chattanooga, Nashville

    133.2 mi · 2 hr 30 min

  9. 9

    Take the exit slight right toward I 440 West: Memphis

    1.2 km · 1 min

  10. 10

    Continue on Debra K Johnson Memorial Parkway

    1.5 km · 60 sec · Debra K Johnson Memorial Parkway

  11. 11

    Take the exit slight right toward US 31 A, US 41 A: Nolensville Pike

    1344 ft · 37 sec

  12. 12

    Turn right onto Nolensville Pike

    111 m · 6 sec · Nolensville Pike

  13. 13

    Continue on 4th Avenue South

    1.5 km · 2 min · 4th Avenue South

  14. 14

    Continue on Ensley Boulevard

    1201 ft · 20 sec · Ensley Boulevard

  15. 15

    Turn left onto 2nd Avenue South

    1.4 km · 1 min · 2nd Avenue South

  16. 16

    Turn slight left onto Lafayette Street

    1.1 km · 1 min · Lafayette Street

  17. 17

    Enter the roundabout and take exit 2 toward Stix Roundabout

    52 m · 3 sec · 8th Avenue South

  18. 18

    Exit the rotary onto 8th Avenue South

    1612 ft · 40 sec · 8th Avenue South

  19. 19

    Continue on Rosa L Parks Boulevard

    1212 ft · 35 sec · Rosa L Parks Boulevard

  20. 20

    Turn right onto Rosa L Parks Avenue

    1013 ft · 34 sec · Rosa L Parks Avenue

  21. 21

    Turn right onto Dr. Martin L. King, Jr. Boulevard

    125 m · 16 sec · Dr. Martin L. King, Jr. Boulevard

  22. 22

    Turn left onto 7th Avenue North

    1260 ft · 1 min · 7th Avenue North

  23. 23

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
23 steps
9 turns on the saved route
Ramps & Exits
9
2 merges, 7 ramps or exits
Navigation Density
13.1 / 100 mi
Decision points by distance
Main Roads
Chattanooga
133 mi · 76%
Appalachian Highway
24.1 mi · 14%
Spring Place Road Southeast
8.56 mi · 5%
Hughes Lake Road Southeast
1.34 mi · 1%
Debra K Johnson Memorial Parkway
0.93 mi · 1%
4th Avenue South
0.92 mi · 1%
Longest Stretch

Chattanooga

Continue on Chattanooga, Nashville

133 mi · 02h 30m

Route Summary

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

Trip Read

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.

Drive Time
02h 53m
Day trip friendly
Same-Day Return
05h 46m
Round-trip wheel time
Road vs Air
+39 mi
136.5 mi direct line
Halfway Stop
Monteagle
01h 26m from Union
Leave By
12:44 PM EDT
Morning start is best
Weather Watch

Sunny leaving Union and Sunny near Nashville.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Union to Nashville?

The road trip is about 175.5 miles (282.4 km) and usually takes 02h 53m 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?

Monteagle is a useful midpoint, sitting about 86.8 miles from Union and 88.7 miles from Nashville.

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

The direct path is about 136.5 miles (219.6 km), while the road route adds roughly 39 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 EDT. If you want a more comfortable same-day return, try to leave by 12:44 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $24.17 one way or $48.33 round trip. Estimated CO2 is about 55 kg one way.

Do you cross a time zone on this route?

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

What should you check before leaving?

Before you leave, expect Sunny around Union and Sunny near Nashville.

Flight Path Map

This map shows the direct air route between Union and Nashville. Straight-line distance: 136.48 mi (219.65 km).

Photo coming soon

#1 Union

Union is a place in Tennessee, United States.

Population0
Coordinates35.0139600, -84.8110500
Altitude243
CountryUnited States
Nashville

#2 Nashville

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

Population684,410
Coordinates36.1658900, -86.7844400
Altitude170
CountryUnited States
Start: Hughes Lake Road Southeast (-84.81114, 35.014001)
End: (-86.784719, 36.165773)

Estimated Travel Time

Distance: 282 km by road

SpeedTime
30 mph (48.3 km/h)05h 50m
40 mph (64.37 km/h)04h 23m
50 mph (80.47 km/h)03h 30m
60 mph (96.56 km/h)02h 55m
70 mph (112.65 km/h)02h 30m
80 mph (129 km/h)02h 11m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.19 gal
23.44 L · about $24.17
Round trip
$48.33
12.38 gal · 46.88 L
Estimated CO2
55 kg one way
Round trip: 110 kg / 243 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.90 $24.17 $48.33
Mid-grade $4.37 $27.02 $54.04
Premium $4.77 $29.55 $59.10
Diesel $6.00 $37.15 $74.30

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 15, 2026

Please keep in mind that there is a 1 hour time gap between Union, TN and Nashville, TN. The current time in Union is 22:31:21, although it is 21:31:21 in Nashville.

Distance to Other Cities

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