How far is Chattanooga, TN from New Union, TN?

The driving distance from Chattanooga, TN to New Union, TN is about 73.1 miles (117.6 km), with a travel time of about 01h 25m by car.

  • The straight-line flight distance is about 55 miles (88.5 km).
  • For a round trip, plan for roughly 02h 51m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EST.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
73.05 mi
01h 25m
Flight
54.99 mi
88.49 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Chattanooga.

Flight Distance

Direct air line
54.99 mi
Kilometers
88.49 km
Flight Time
00h 06m

Driving Distance

Road route
73.05 mi
Kilometers
117.56 km
Drive Time
01h 25m

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 01h 25m.

Arrival Snapshot
Arrive in New Union
Sat, Nov 7, 12:13 AM CST
Return by in Chattanooga
Sat, Nov 7, 2:39 AM EST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Chattanooga
2026-11-06T23:47
Arrive New Union
Sat, Nov 7, 1:13 AM EST
Route Timing
01h 25m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EST
Aim for a morning departure
Arrive between
8:26 AM to 10:26 AM CST

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:38 PM EST
Keeps a same-day return open with about 03h 00m at the destination.
Back in Chattanooga
9:30 PM EST
Morning start is best

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
Monteagle
TN

Town in Franklin County, Tennessee, United States

From Chattanooga
36.5 mi
00h 42m
To New Union
36.5 mi
00h 42m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
70°F
Friday

Patchy Fog then Sunny

Starts
Fri, Nov 6 6:00 AM EST
Wind
0 to 10 mph N
Destination
41°F
Overnight

Areas Of Fog

Starts
Fri, Nov 6 3:00 AM CST
Wind
0 mph

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Chattanooga and New Union.

  1. 1

    Start on West Martin Luther King Boulevard

    1761 ft · 56 sec · West Martin Luther King Boulevard

  2. 2

    Turn left

    1246 ft · 31 sec

  3. 3

    Merge slight left

    1.2 km · 59 sec

  4. 4

    Keep slight right to continue on 24: Nashville, Birmingham

    2222 ft · 42 sec

  5. 5

    Merge slight left

    68.9 mi · 1 hr 19 min

  6. 6

    Take the exit slight right toward TN 53: Manchester, Woodbury

    1352 ft · 29 sec

  7. 7

    Turn right onto Woodbury Highway

    2.2 mi · 4 min · Woodbury Highway

  8. 8

    Arrive at your destination

    0 m · 1 sec · Woodbury Highway

Car Route Details

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

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
8 steps
2 turns on the saved route
Ramps & Exits
3
2 merges, 1 ramps or exits
Navigation Density
11 / 100 mi
Decision points by distance
Main Roads
24
69.3 mi · 95%
Woodbury Highway
2.21 mi · 3%
West Martin Luther King Boulevard
1.05 mi · 1%
TN 53
0.26 mi
Longest Stretch

24

Merge slight left

68.9 mi · 01h 19m

Route Summary

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

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
01h 25m
Day trip friendly
Same-Day Return
02h 52m
Round-trip wheel time
Road vs Air
+18.1 mi
55 mi direct line
Halfway Stop
Monteagle
00h 42m from Chattanooga
Leave By
3:38 PM EST
Morning start is best
Weather Watch

Patchy Fog then Sunny leaving Chattanooga and Areas Of Fog near New Union.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Chattanooga to New Union?

The road trip is about 73.1 miles (117.6 km) and usually takes 01h 25m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Monteagle is a useful midpoint, sitting about 36.5 miles from Chattanooga and 36.5 miles from New Union.

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

The direct path is about 55 miles (88.5 km), while the road route adds roughly 18.1 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 8:00 AM to 10:00 AM EST. If you want a more comfortable same-day return, try to leave by 3:38 PM EST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $9.50 one way or $19.00 round trip. Estimated CO2 is about 22.9 kg one way.

Do you cross a time zone on this route?

Yes. There is about a 1 hour time difference between Chattanooga and New Union, so arrival and return times should be read in local time.

What should you check before leaving?

Before you leave, expect Patchy Fog then Sunny around Chattanooga and Areas Of Fog near New Union.

Flight Path Map

This map shows the direct air route between Chattanooga and New Union. Straight-line distance: 54.99 mi (88.49 km).

Chattanooga

#1 Chattanooga

The fourth most populous city in Tennessee.

Population184,742
Coordinates35.0456300, -85.3096800
Altitude206
CountryUnited States
Photo coming soon

#2 New Union

New Union is a place in Tennessee, United States.

Population0
Coordinates35.5325800, -86.0808200
Altitude332
CountryUnited States
Start: Chattanooga (-85.30968, 35.04563)
End: New Union (-86.08082, 35.53258)

Estimated Travel Time

Distance: 118 km by road

SpeedTime
30 mph (48.3 km/h)02h 26m
40 mph (64.37 km/h)01h 49m
50 mph (80.47 km/h)01h 27m
60 mph (96.56 km/h)01h 13m
70 mph (112.65 km/h)01h 02m
80 mph (129 km/h)00h 54m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.58 gal
9.76 L · about $9.50
Round trip
$19.00
5.16 gal · 19.52 L
Estimated CO2
22.9 kg one way
Round trip: 45.9 kg / 101 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.68 $9.50 $19.00
Mid-grade $4.15 $10.71 $21.41
Premium $4.56 $11.77 $23.55
Diesel $5.90 $15.21 $30.43

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 · Nov 06, 2026

Please keep in mind that there is a 1 hour time gap between Chattanooga, TN and New Union, TN. The current time in Chattanooga is 23:47:58, although it is 22:47:58 in New Union.

Distance to Other Cities

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