How far is Gallatin, TN from Union City, TN?
The driving distance from Gallatin, TN to Union City, TN is about 196.3 miles (315.9 km), with a travel time of about 03h 38m by car.
- The straight-line flight distance is about 145.2 miles (233.6 km).
- For a round trip, plan for roughly 07h 16m 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 38m.
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.
City in Stewart County, Tennessee
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Gallatin and Union City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Gallatin and Union City.
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1
Start on West Main Street
1601 ft · 31 sec · West Main Street
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2
Continue on Red River Road
2026 ft · 36 sec · Red River Road
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3
Turn straight onto Long Hollow Pike
2 mi · 3 min · Long Hollow Pike
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4
Continue on Vietnam Veterans Boulevard
15.1 mi · 17 min · Vietnam Veterans Boulevard
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5
Merge slight right
2.6 mi · 3 min
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6
Take the exit slight right toward SR 45: Madison, Old Hickory Boulevard
1735 ft · 46 sec
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7
Turn right onto West Old Hickory Boulevard
3.5 mi · 5 min · West Old Hickory Boulevard
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8
Take the ramp slight right toward I 24 West: Clarksville
1965 ft · 48 sec
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9
Merge slight left
108 mi · 1 hr 56 min
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10
Keep slight left
51.9 mi · 56 min
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11
Take the exit slight right toward Union City, Memphis
1149 ft · 25 sec
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12
Keep slight left to continue on Martin
58 m · 6 sec
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13
Turn right
146 m · 6 sec
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14
Continue straight
4.8 mi · 5 min
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15
Take the exit slight right toward Union City, Troy
3021 ft · 55 sec
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16
Continue straight
4 mi · 5 min
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17
Turn left onto North Clover Street
1.6 km · 2 min · North Clover Street
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18
Turn right onto East Cheatham Street
2073 ft · 47 sec · East Cheatham Street
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19
Turn left onto North Division Street
2459 ft · 51 sec · North Division Street
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20
At the end of the road, turn right onto East Main Street
834 ft · 26 sec · East Main Street
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21
At the end of the road, turn left onto East Main Street
36 m · 3 sec · East Main Street
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22
Turn straight onto South 1st Street
141 m · 23 sec · South 1st Street
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23
Turn left onto East Church Street
23 m · 3 sec · East Church Street
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24
Arrive at your destination
0 m · 1 sec · East Church Street
Car Route Details
A richer read on the saved driving route between Gallatin and Union City.
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 West
Merge slight left
108 mi · 01h 56m
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 Gallatin 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 Gallatin to Union City?
The road trip is about 196.3 miles (315.9 km) and usually takes 03h 38m 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?
Dover is a useful midpoint, sitting about 98.1 miles from Gallatin and 98.2 miles from Union City.
How much longer is the road route than the straight-line distance?
The direct path is about 145.2 miles (233.6 km), while the road route adds roughly 51.1 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 9:44 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $26.13 one way or $52.27 round trip. Estimated CO2 is about 61.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Gallatin and Partly Sunny then Slight Chance Showers And Thunderstorms near Union City.
Stop Ideas Near Dover
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Dover.
Clarksville, TN
Paducah, KY
Fulton
Nashville, TN
Flight Path Map
This map shows the direct air route between Gallatin and Union City. Straight-line distance: 145.17 mi (233.63 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 Union City
Town in Tennessee, United States
| Population | 10,325 |
| Coordinates | 36.4242300, -89.0570100 |
| Altitude | 102 |
| Country | United States |
End: Union City (-89.05701, 36.42423)
Estimated Travel Time
Distance: 316 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 06h 32m |
| 40 mph (64.37 km/h) | 04h 54m |
| 50 mph (80.47 km/h) | 03h 55m |
| 60 mph (96.56 km/h) | 03h 16m |
| 70 mph (112.65 km/h) | 02h 48m |
| 80 mph (129 km/h) | 02h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $26.13 | $52.27 |
| Mid-grade | $4.25 | $29.47 | $58.95 |
| Premium | $4.65 | $32.25 | $64.50 |
| Diesel | $5.30 | $36.76 | $73.51 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.