How far is Franklin, TN from Union, TN?
The driving distance from Franklin, TN to Union, TN is about 170 miles (273.6 km), with a travel time of about 03h 27m by car.
- The straight-line flight distance is about 131.8 miles (212.1 km).
- For a round trip, plan for roughly 06h 55m 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 27m.
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.
Driving Route Map
The map below follows the saved road route between Franklin and Union.
Turn-by-Turn Driving Directions
Step-by-step road directions between Franklin and Union.
-
1
Start on Public Square
127 m · 7 sec · Public Square
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2
Exit the rotary onto 3rd Avenue South
1778 ft · 34 sec · 3rd Avenue South
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3
Continue on Murfreesboro Road
12.8 mi · 19 min · Murfreesboro Road
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4
Turn right onto Horton Highway
1.1 km · 1 min · Horton Highway
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5
Take the ramp left toward I 840 East: Murfreesboro
1.1 km · 1 min
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6
Merge slight left onto Tennessee National Guard Parkway
10.1 mi · 11 min · Tennessee National Guard Parkway
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7
Take the exit slight right toward I 24 East: Chattanooga
1.3 km · 2 min
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8
Merge slight left
110 mi · 2 hr 4 min
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9
Keep slight left to continue on I 75 North: Knoxville
1.4 km · 1 min
-
10
Merge slight left
18.4 mi · 22 min
-
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 Franklin 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
Merge slight left
110 mi · 02h 04m
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 Franklin and Sunny near Union.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Franklin to Union?
The road trip is about 170 miles (273.6 km) and usually takes 03h 27m 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 84.9 miles from Franklin and 85.1 miles from Union.
How much longer is the road route than the straight-line distance?
The direct path is about 131.8 miles (212.1 km), while the road route adds roughly 38.2 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 $23.42 one way or $46.85 round trip. Estimated CO2 is about 53.3 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Franklin 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 Franklin and Sunny near Union.
Flight Path Map
This map shows the direct air route between Franklin and Union. Straight-line distance: 131.8 mi (212.11 km).
#1 Franklin
The second most populous city in Williamson County, Tennessee.
| Population | 85,316 |
| Coordinates | 35.9250600, -86.8688900 |
| Altitude | 196 |
| 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: 274 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 39m |
| 40 mph (64.37 km/h) | 04h 15m |
| 50 mph (80.47 km/h) | 03h 24m |
| 60 mph (96.56 km/h) | 02h 50m |
| 70 mph (112.65 km/h) | 02h 25m |
| 80 mph (129 km/h) | 02h 07m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.90 | $23.42 | $46.85 |
| Mid-grade | $4.37 | $26.19 | $52.38 |
| Premium | $4.77 | $28.64 | $57.29 |
| Diesel | $6.00 | $36.01 | $72.02 |
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