How far is East Chattanooga, TN from Union City, TN?

The driving distance from East Chattanooga, TN to Union City, TN is about 301.6 miles (485.4 km), with a travel time of about 05h 51m by car.

  • The straight-line flight distance is about 233.3 miles (375.4 km).
  • For a round trip, plan for roughly 11h 43m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
301.63 mi
05h 51m
Flight
233.24 mi
375.37 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from East Chattanooga.

Flight Distance

Direct air line
233.24 mi
Kilometers
375.37 km
Flight Time
00h 28m

Driving Distance

Road route
301.63 mi
Kilometers
485.43 km
Drive Time
05h 51m

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 51m.

Arrival Snapshot
Arrive in Union City
Thu, Apr 23, 8:32 AM CDT
Return by in East Chattanooga
Thu, Apr 23, 3:23 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave East Chattanooga
2026-04-23T03:40
Arrive Union City
Thu, Apr 23, 9:32 AM EDT
Route Timing
05h 51m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:52 AM to 12:52 PM CDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
5:16 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in East Chattanooga
9:00 PM EDT
Early departure recommended

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.

Mid-route stop
Thompson's Station
TN

Town in Williamson County, Tennessee, United States

From East Chattanooga
150.7 mi
02h 55m
To Union City
150.9 mi
02h 55m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
0 to 5 mph SE
Destination
83°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM CDT
Wind
5 to 15 mph S

Driving Route Map

The map below follows the saved road route between East Chattanooga and Union City.

Turn-by-Turn Driving Directions

Step-by-step road directions between East Chattanooga and Union City.

  1. 1

    Start on North Chamberlain Avenue

    16 m · 11 sec · North Chamberlain Avenue

  2. 2

    Turn sharp left onto Glass Street

    1871 ft · 38 sec · Glass Street

  3. 3

    Turn left onto Dodson Avenue

    1.8 mi · 3 min · Dodson Avenue

  4. 4

    Turn right onto East 3rd Street

    717 ft · 22 sec · East 3rd Street

  5. 5

    Turn left onto North Willow Street

    1.1 mi · 2 min · North Willow Street

  6. 6

    Turn left onto East Main Street

    109 m · 8 sec · East Main Street

  7. 7

    Turn right onto South Kelley Street

    2993 ft · 1 min · South Kelley Street

  8. 8

    Take the ramp right

    889 ft · 22 sec

  9. 9

    Merge slight left

    107.5 mi · 2 hr 1 min

  10. 10

    Take the exit slight right toward I 840 West: Memphis, Franklin

    1.4 km · 2 min

  11. 11

    Merge slight left onto Tennessee National Guard Parkway

    53.7 mi · 58 min · Tennessee National Guard Parkway

  12. 12

    Merge slight left

    67.6 mi · 1 hr 12 min

  13. 13

    Take the exit slight right toward Primary SR 22: Parkers Crossroads, Lexington, Huntingdon

    878 ft · 23 sec

  14. 14

    Turn right

    5.3 mi · 7 min

  15. 15

    Continue on Lexington Clarksburg Road

    1009 ft · 21 sec · Lexington Clarksburg Road

  16. 16

    Continue straight

    6.5 mi · 9 min

  17. 17

    Turn left onto Lexington Street

    1.9 mi · 3 min · Lexington Street

  18. 18

    Turn left onto South Veterans Drive

    2.1 mi · 3 min · South Veterans Drive

  19. 19

    Take the exit slight right

    659 ft · 18 sec

  20. 20

    Merge slight left onto Veterans Drive North

    1.4 mi · 2 min · Veterans Drive North

  21. 21

    Turn left

    20.3 mi · 26 min

  22. 22

    Merge slight left onto State Highway 22

    10.8 mi · 15 min · State Highway 22

  23. 23

    Take the exit slight right toward US 45E North, TN 22 North: South Fulton, Union City

    15.5 mi · 17 min

  24. 24

    Take the exit slight right toward SR 214 North, US 45W South

    2302 ft · 1 min

  25. 25

    Turn left onto Nailling Drive

    2.1 mi · 4 min · Nailling Drive

  26. 26

    Continue on East Main Street

    1.3 km · 2 min · East Main Street

  27. 27

    At the end of the road, turn left onto East Main Street

    36 m · 3 sec · East Main Street

  28. 28

    Turn straight onto South 1st Street

    141 m · 23 sec · South 1st Street

  29. 29

    Turn left onto East Church Street

    23 m · 3 sec · East Church Street

  30. 30

    Arrive at your destination

    0 m · 1 sec · East Church Street

Car Route Details

A richer read on the saved driving route between East Chattanooga and Union City.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
30 steps
14 turns on the saved route
Ramps & Exits
11
5 merges, 6 ramps or exits
Navigation Density
9.9 / 100 mi
Decision points by distance
Main Roads
Tennessee National Guard Parkway
121 mi · 40%
South Kelley Street
108 mi · 36%
US 45E North
15.5 mi · 5%
State Highway 22
10.8 mi · 4%
Lexington Clarksburg Road
6.71 mi · 2%
South Veterans Drive
2.19 mi · 1%
Longest Stretch

South Kelley Street

Merge slight left

108 mi · 02h 01m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
05h 51m
Long day trip
Same-Day Return
11h 44m
Round-trip wheel time
Road vs Air
+68.3 mi
233.3 mi direct line
Halfway Stop
Thompson's Station
02h 55m from East Chattanooga
Leave By
5:16 AM EDT
Early departure recommended
Weather Watch

Sunny leaving East Chattanooga and Sunny near Union City.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from East Chattanooga to Union City?

The road trip is about 301.6 miles (485.4 km) and usually takes 05h 51m 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 150.7 miles from East Chattanooga and 150.9 miles from Union City.

How much longer is the road route than the straight-line distance?

The direct path is about 233.3 miles (375.4 km), while the road route adds roughly 68.3 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 5:16 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $40.12 one way or $80.25 round trip. Estimated CO2 is about 94.6 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between East 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 around East Chattanooga and Sunny near Union City.

Stop Ideas Near Thompson's Station

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Thompson's Station, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Thompson's Station.

BUS

Nashville, TN

41 mi away
705 5th Avenue South
BUS

Clarksville, TN

91 mi away
11 Jefferson Street \r\n

Flight Path Map

This map shows the direct air route between East Chattanooga and Union City. Straight-line distance: 233.24 mi (375.37 km).

Photo coming soon

#1 East Chattanooga

A neighborhood in Chattanooga, Tennessee.

Population11,000
Coordinates35.0653500, -85.2491200
Altitude208
CountryUnited States
Union City

#2 Union City

Town in Tennessee, United States

Population10,325
Coordinates36.4242300, -89.0570100
Altitude102
CountryUnited States
Start: East Chattanooga (-85.24912, 35.06535)
End: Union City (-89.05701, 36.42423)

Estimated Travel Time

Distance: 485 km by road

SpeedTime
30 mph (48.3 km/h)10h 03m
40 mph (64.37 km/h)07h 32m
50 mph (80.47 km/h)06h 01m
60 mph (96.56 km/h)05h 01m
70 mph (112.65 km/h)04h 18m
80 mph (129 km/h)03h 45m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
10.64 gal
40.29 L · about $40.12
Round trip
$80.25
21.28 gal · 80.58 L
Estimated CO2
94.6 kg one way
Round trip: 189.1 kg / 417 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.77 $40.12 $80.25
Mid-grade $4.25 $45.25 $90.50
Premium $4.65 $49.52 $99.04
Diesel $5.30 $56.43 $112.87

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 · Apr 23, 2026

Please keep in mind that there is a 1 hour time gap between East Chattanooga, TN and Union City, TN. The current time in East Chattanooga is 03:40:35, although it is 02:40:35 in Union City.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.