How far is Nashville, TN from Union, TN?
The driving distance from Nashville, TN to Union, TN is about 172.9 miles (278.3 km), with a travel time of about 03h 28m by car.
- The straight-line flight distance is about 136.5 miles (219.6 km).
- For a round trip, plan for roughly 06h 56m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM CDT.
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 28m.
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 Franklin County, 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 Nashville and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Nashville and Union.
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1
Start on the route
2013 ft · 3 min
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2
At the end of the road, turn left onto Dr. Martin L. King, Jr. Boulevard
1718 ft · 44 sec · Dr. Martin L. King, Jr. Boulevard
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3
Turn left onto James Robertson Parkway
1.1 km · 2 min · James Robertson Parkway
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4
Turn right onto Interstate Drive
138 m · 10 sec · Interstate Drive
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5
Take the ramp slight left toward I 24 East
918 ft · 22 sec
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6
Merge slight left onto Downtown Loop
1.3 km · 1 min · Downtown Loop
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7
Keep slight left to continue on I 40 East, I 24 East: Knoxville, Chattanooga
2.1 mi · 3 min
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8
Take the exit slight right toward I 24 East: Chattanooga
133.7 mi · 2 hr 30 min
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9
Keep slight left to continue on I 75 North: Knoxville
1.4 km · 1 min
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10
Merge slight left
18.4 mi · 22 min
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11
Take the exit slight right toward US 64 Bypass East: Cleveland
1059 ft · 20 sec
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12
Keep slight left to continue on US 64 Bypass East: Cleveland
86 m · 10 sec
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13
Turn right
5.3 mi · 6 min
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14
Take the exit slight right
1406 ft · 42 sec
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15
Turn left onto Spring Place Road Southeast
8.2 mi · 14 min · Spring Place Road Southeast
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16
Turn slight right onto Hughes Lake Road Southeast
1.3 mi · 3 min · Hughes Lake Road Southeast
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17
Arrive at your destination
0 m · 1 sec · Hughes Lake Road Southeast
Car Route Details
A richer read on the saved driving route between Nashville and Union.
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 24 East
Take the exit slight right toward I 24 East: Chattanooga
134 mi · 02h 30m
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.
Sunny leaving Nashville and Sunny near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Nashville to Union?
The road trip is about 172.9 miles (278.3 km) and usually takes 03h 28m 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?
Monteagle is a useful midpoint, sitting about 86.5 miles from Nashville and 86.5 miles from Union.
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 36.4 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 CDT. If you want a more comfortable same-day return, try to leave by 10:04 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.81 one way or $47.63 round trip. Estimated CO2 is about 54.2 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Nashville and Union, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny around Nashville and Sunny near Union.
Flight Path Map
This map shows the direct air route between Nashville and Union. Straight-line distance: 136.48 mi (219.65 km).
#1 Nashville
The twenty-second most populous city in the United States and the center of the Nashville metropolitan area.
| Population | 684,410 |
| Coordinates | 36.1658900, -86.7844400 |
| Altitude | 170 |
| Country | United States |
#2 Union
Union is a place in Tennessee, United States.
| Population | 0 |
| Coordinates | 35.0139600, -84.8110500 |
| Altitude | 243 |
| Country | United States |
End: Union (-84.81105, 35.01396)
Estimated Travel Time
Distance: 278 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 45m |
| 40 mph (64.37 km/h) | 04h 19m |
| 50 mph (80.47 km/h) | 03h 27m |
| 60 mph (96.56 km/h) | 02h 52m |
| 70 mph (112.65 km/h) | 02h 28m |
| 80 mph (129 km/h) | 02h 09m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.90 | $23.81 | $47.63 |
| Mid-grade | $4.37 | $26.63 | $53.25 |
| Premium | $4.77 | $29.12 | $58.24 |
| Diesel | $6.00 | $36.61 | $73.22 |
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