How far is Union City, TN from Chattanooga, TN?
The driving distance from Union City, TN to Chattanooga, TN is about 294.5 miles (473.9 km), with a travel time of about 04h 31m by car.
- The straight-line flight distance is about 230.7 miles (371.3 km).
- For a round trip, plan for roughly 09h 02m 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 04h 31m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in Cheatham County, Tennessee, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Slight Chance Showers And Thunderstorms
Sunny then Slight Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Union City and Chattanooga.
Turn-by-Turn Driving Directions
Step-by-step road directions between Union City and Chattanooga.
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1
Start on East Church Street
23 m · 8 sec · East Church Street
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2
Turn right onto South 1st Street
578 ft · 20 sec · South 1st Street
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3
Continue on East Main Street
1.3 km · 2 min · East Main Street
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4
Turn straight onto Nailling Drive
1.9 mi · 3 min · Nailling Drive
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5
Take the ramp sharp right toward TN 22 South
1547 ft · 38 sec
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6
Merge slight left
15.2 mi · 17 min
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7
Keep slight left to continue on TN 22 South: Dresden
31.4 mi · 41 min
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8
Continue straight
119 m · 7 sec
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9
Turn right onto Veterans Drive North
1.5 mi · 2 min · Veterans Drive North
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10
Turn left
2.1 mi · 3 min
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11
Turn right onto Lexington Street
1.9 mi · 3 min · Lexington Street
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12
Turn right
6.5 mi · 9 min
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13
Continue on Lexington Clarksburg Road
1009 ft · 21 sec · Lexington Clarksburg Road
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14
Continue straight
5.4 mi · 8 min
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15
Take the exit left toward Primary SR 22: Parkers Crossroad, Lexington, Huntingdon
1179 ft · 25 sec
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16
Merge slight left
68 mi · 1 hr 13 min
-
17
Take the exit slight right toward I 840 East: Knoxville, Franklin
1.1 km · 1 min
-
18
Merge slight left onto Tennessee National Guard Parkway
52.2 mi · 56 min · Tennessee National Guard Parkway
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19
Take the exit slight right toward I 24 East: Chattanooga
1.3 km · 2 min
-
20
Merge slight left
103.1 mi · 1 hr 55 min
-
21
Take the exit slight right toward US 27 North: Downtown Chattanooga
2163 ft · 47 sec
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22
Continue straight
1.2 km · 60 sec
-
23
Take the exit slight right toward Downtown
1123 ft · 26 sec
-
24
Turn right onto West Martin Luther King Boulevard
897 ft · 30 sec · West Martin Luther King Boulevard
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25
Arrive at your destination
0 m · 1 sec · West Martin Luther King Boulevard
Car Route Details
A richer read on the saved driving route between Union City and Chattanooga.
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
103 mi · 01h 55m
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.
Partly Sunny then Slight Chance Showers And Thunderstorms leaving Union City and Sunny then Slight Chance Showers And Thunderstorms near Chattanooga.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Union City to Chattanooga?
The road trip is about 294.5 miles (473.9 km) and usually takes 04h 31m 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?
Kingston Springs is a useful midpoint, sitting about 146.9 miles from Union City and 147.6 miles from Chattanooga.
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 63.8 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 CDT. If you want a more comfortable same-day return, try to leave by 7:58 AM CDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $39.18 one way or $78.36 round trip. Estimated CO2 is about 92.3 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Union City and Chattanooga, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Showers And Thunderstorms around Union City and Sunny then Slight Chance Showers And Thunderstorms near Chattanooga.
Stop Ideas Near Kingston Springs
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 Kingston Springs.
Nashville, TN
Clarksville, TN
Flight Path Map
This map shows the direct air route between Union City and Chattanooga. Straight-line distance: 230.72 mi (371.31 km).
#1 Union City
Town in Tennessee, United States
| Population | 10,325 |
| Coordinates | 36.4242300, -89.0570100 |
| Altitude | 102 |
| Country | United States |
#2 Chattanooga
The fourth most populous city in Tennessee.
| Population | 184,742 |
| Coordinates | 35.0456300, -85.3096800 |
| Altitude | 206 |
| Country | United States |
End: West Martin Luther King Boulevard (-85.309688, 35.045753)
Estimated Travel Time
Distance: 474 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 48m |
| 40 mph (64.37 km/h) | 07h 21m |
| 50 mph (80.47 km/h) | 05h 53m |
| 60 mph (96.56 km/h) | 04h 54m |
| 70 mph (112.65 km/h) | 04h 12m |
| 80 mph (129 km/h) | 03h 40m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $39.18 | $78.36 |
| Mid-grade | $4.25 | $44.19 | $88.38 |
| Premium | $4.65 | $48.36 | $96.71 |
| Diesel | $5.30 | $55.11 | $110.22 |
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 · 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.