How far is Chattanooga, TN from Union City, TN?
The driving distance from Chattanooga, TN to Union City, TN is about 296.5 miles (477.1 km), with a travel time of about 05h 43m by car.
- The straight-line flight distance is about 230.7 miles (371.3 km).
- For a round trip, plan for roughly 11h 26m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 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 05h 43m.
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 Williamson County, Tennessee, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny then Slight Chance Showers And Thunderstorms
Partly Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Chattanooga and Union City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Chattanooga and Union City.
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1
Start on West Martin Luther King Boulevard
1761 ft · 56 sec · West Martin Luther King Boulevard
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2
Turn left
1246 ft · 31 sec
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3
Merge slight left
1.2 km · 59 sec
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4
Keep slight right to continue on 24: Nashville, Birmingham
2222 ft · 42 sec
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5
Merge slight left
104.9 mi · 1 hr 57 min
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6
Take the exit slight right toward I 840 West: Memphis, Franklin
1.4 km · 2 min
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7
Merge slight left onto Tennessee National Guard Parkway
53.7 mi · 58 min · Tennessee National Guard Parkway
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8
Merge slight left
67.6 mi · 1 hr 12 min
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9
Take the exit slight right toward Primary SR 22: Parkers Crossroads, Lexington, Huntingdon
878 ft · 23 sec
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10
Turn right
5.3 mi · 7 min
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11
Continue on Lexington Clarksburg Road
1009 ft · 21 sec · Lexington Clarksburg Road
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12
Continue straight
6.5 mi · 9 min
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13
Turn left onto Lexington Street
1.9 mi · 3 min · Lexington Street
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14
Turn left onto South Veterans Drive
2.1 mi · 3 min · South Veterans Drive
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15
Take the exit slight right
659 ft · 18 sec
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16
Merge slight left onto Veterans Drive North
1.4 mi · 2 min · Veterans Drive North
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17
Turn left
20.3 mi · 26 min
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18
Merge slight left onto State Highway 22
10.8 mi · 15 min · State Highway 22
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19
Take the exit slight right toward US 45E North, TN 22 North: South Fulton, Union City
15.5 mi · 17 min
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20
Take the exit slight right toward SR 214 North, US 45W South
2302 ft · 1 min
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21
Turn left onto Nailling Drive
2.1 mi · 4 min · Nailling Drive
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22
Continue on East Main Street
1.3 km · 2 min · East Main Street
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23
At the end of the road, turn left onto East Main Street
36 m · 3 sec · East Main Street
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24
Turn straight onto South 1st Street
141 m · 23 sec · South 1st Street
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25
Turn left onto East Church Street
23 m · 3 sec · East Church Street
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26
Arrive at your destination
0 m · 1 sec · East Church Street
Car Route Details
A richer read on the saved driving route between Chattanooga and Union City.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
24
Merge slight left
105 mi · 01h 57m
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 then Slight Chance Showers And Thunderstorms leaving Chattanooga 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 Chattanooga to Union City?
The road trip is about 296.5 miles (477.1 km) and usually takes 05h 43m 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?
Thompson's Station is a useful midpoint, sitting about 148.1 miles from Chattanooga and 148.3 miles from Union City.
How much longer is the road route than the straight-line distance?
The direct path is about 230.7 miles (371.3 km), while the road route adds roughly 65.8 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 EDT. If you want a more comfortable same-day return, try to leave by 5:34 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $39.44 one way or $78.89 round trip. Estimated CO2 is about 93 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Chattanooga and Union City, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Sunny then Slight Chance Showers And Thunderstorms around Chattanooga and Partly Sunny then Slight Chance Showers And Thunderstorms near Union City.
Stop Ideas Near Thompson's Station
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 Thompson's Station.
Nashville, TN
Clarksville, TN
Flight Path Map
This map shows the direct air route between Chattanooga and Union City. Straight-line distance: 230.72 mi (371.31 km).
#1 Chattanooga
The fourth most populous city in Tennessee.
| Population | 184,742 |
| Coordinates | 35.0456300, -85.3096800 |
| Altitude | 206 |
| 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: 477 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 52m |
| 40 mph (64.37 km/h) | 07h 24m |
| 50 mph (80.47 km/h) | 05h 55m |
| 60 mph (96.56 km/h) | 04h 56m |
| 70 mph (112.65 km/h) | 04h 14m |
| 80 mph (129 km/h) | 03h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $39.44 | $78.89 |
| Mid-grade | $4.25 | $44.49 | $88.97 |
| Premium | $4.65 | $48.68 | $97.36 |
| Diesel | $5.30 | $55.48 | $110.96 |
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.