How far is Knoxville, TN from Union City, TN?
The driving distance from Knoxville, TN to Union City, TN is about 358.3 miles (576.7 km), with a travel time of about 06h 33m by car.
- The straight-line flight distance is about 288.1 miles (463.7 km).
- For a round trip, plan for roughly 13h 07m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM EDT.
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 06h 33m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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.
The twenty-second most populous city in the United States and the center of the Nashville metropolitan area.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Chance Showers And Thunderstorms
Patchy Fog then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Knoxville and Union City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Knoxville and Union City.
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1
Start on Henley Street
1056 ft · 20 sec · Henley Street
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2
Continue on Henley Street
727 ft · 14 sec · Henley Street
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3
Turn slight left onto Western Avenue
1.1 km · 1 min · Western Avenue
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4
Turn left onto Ailor Avenue
2326 ft · 43 sec · Ailor Avenue
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5
Take the ramp straight toward I 40 West, I 75 South
1637 ft · 40 sec
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6
Merge slight left
18.3 mi · 21 min
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7
Keep slight right to continue on Nashville
154.8 mi · 2 hr 47 min
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8
Keep slight right to continue on I 24 West, I 40 West: Nashville
2.1 mi · 3 min
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9
Keep slight right to continue on I 24 West: Clarksville, Louisville
1725 ft · 28 sec
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10
Merge slight left onto Downtown Loop
2.3 mi · 3 min · Downtown Loop
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11
Continue on I 24 West, I 65 North: Clarksville, Louisville
2.1 mi · 3 min
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12
Take the exit slight left toward I 24 West: Clarksville
112.7 mi · 2 hr 1 min
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13
Keep slight left
51.9 mi · 56 min
-
14
Take the exit slight right toward Union City, Memphis
1149 ft · 25 sec
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15
Keep slight left to continue on Martin
58 m · 6 sec
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16
Turn right
146 m · 6 sec
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17
Continue straight
4.8 mi · 5 min
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18
Take the exit slight right toward Union City, Troy
3021 ft · 55 sec
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19
Continue straight
4 mi · 5 min
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20
Turn left onto North Clover Street
1.6 km · 2 min · North Clover Street
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21
Turn right onto East Cheatham Street
2073 ft · 47 sec · East Cheatham Street
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22
Turn left onto North Division Street
2459 ft · 51 sec · North Division Street
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23
At the end of the road, turn right onto East Main Street
834 ft · 26 sec · East Main Street
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24
At the end of the road, turn left onto East Main Street
36 m · 3 sec · East Main Street
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25
Turn straight onto South 1st Street
141 m · 23 sec · South 1st Street
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26
Turn left onto East Church Street
23 m · 3 sec · East Church Street
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27
Arrive at your destination
0 m · 1 sec · East Church Street
Car Route Details
A richer read on the saved driving route between Knoxville and Union City.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
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.
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.
Partly Sunny then Chance Showers And Thunderstorms leaving Knoxville and Patchy Fog 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 Knoxville to Union City?
The road trip is about 358.3 miles (576.7 km) and usually takes 06h 33m 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 179 miles from Knoxville and 179.3 miles from Union City.
How much longer is the road route than the straight-line distance?
The direct path is about 288.1 miles (463.7 km), while the road route adds roughly 70.2 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 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 $47.67 one way or $95.33 round trip. Estimated CO2 is about 112.3 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Knoxville and Union City, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Partly Sunny then Chance Showers And Thunderstorms around Knoxville and Patchy Fog 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.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Nashville.
Nashville, TN
Clarksville, TN
Flight Path Map
This map shows the direct air route between Knoxville and Union City. Straight-line distance: 288.15 mi (463.74 km).
#1 Knoxville
The most populous city in Tennessee.
| Population | 190,223 |
| Coordinates | 35.9606400, -83.9207400 |
| Altitude | 276 |
| 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: 577 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 56m |
| 40 mph (64.37 km/h) | 08h 57m |
| 50 mph (80.47 km/h) | 07h 09m |
| 60 mph (96.56 km/h) | 05h 58m |
| 70 mph (112.65 km/h) | 05h 07m |
| 80 mph (129 km/h) | 04h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $47.67 | $95.33 |
| Mid-grade | $4.25 | $53.76 | $107.52 |
| Premium | $4.65 | $58.83 | $117.65 |
| Diesel | $5.30 | $67.04 | $134.09 |
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 31, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.