How far is New Union, TN from Chattanooga, TN?
The driving distance from New Union, TN to Chattanooga, TN is about 72 miles (115.8 km), with a travel time of about 01h 10m by car.
- The straight-line flight distance is about 55 miles (88.5 km).
- For a round trip, plan for roughly 02h 20m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM CST.
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.
This route works well as a day trip with time at the destination.
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 01h 10m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Tennessee, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Fog then Sunny
Driving Route Map
The map below follows the saved road route between New Union and Chattanooga.
Turn-by-Turn Driving Directions
Step-by-step road directions between New Union and Chattanooga.
-
1
Start on Woodbury Highway
2.4 mi · 4 min · Woodbury Highway
-
2
Take the ramp left toward I-24 East: Chattanooga
1169 ft · 29 sec
-
3
Merge slight left
67.8 mi · 1 hr 17 min
-
4
Take the exit slight right toward US 27 North: Downtown Chattanooga
2163 ft · 47 sec
-
5
Continue straight
1.2 km · 60 sec
-
6
Take the exit slight right toward Downtown
1123 ft · 26 sec
-
7
Turn right onto West Martin Luther King Boulevard
897 ft · 30 sec · West Martin Luther King Boulevard
-
8
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 New Union 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
67.8 mi · 01h 17m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Areas Of Fog leaving New Union and Patchy Fog then Sunny near Chattanooga.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from New Union to Chattanooga?
The road trip is about 72 miles (115.8 km) and usually takes 01h 10m 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?
Kimball is a useful midpoint, sitting about 35.9 miles from New Union and 36 miles from Chattanooga.
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 17 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 CST. If you want a more comfortable same-day return, try to leave by 4:10 PM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.35 one way or $18.70 round trip. Estimated CO2 is about 22.6 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between New Union and Chattanooga, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Areas Of Fog around New Union and Patchy Fog then Sunny near Chattanooga.
Flight Path Map
This map shows the direct air route between New Union and Chattanooga. Straight-line distance: 54.99 mi (88.49 km).
#1 New Union
New Union is a place in Tennessee, United States.
| Population | 0 |
| Coordinates | 35.5325800, -86.0808200 |
| Altitude | 332 |
| 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: 116 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 23m |
| 40 mph (64.37 km/h) | 01h 47m |
| 50 mph (80.47 km/h) | 01h 26m |
| 60 mph (96.56 km/h) | 01h 11m |
| 70 mph (112.65 km/h) | 01h 01m |
| 80 mph (129 km/h) | 00h 53m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.68 | $9.35 | $18.70 |
| Mid-grade | $4.15 | $10.54 | $21.08 |
| Premium | $4.56 | $11.59 | $23.18 |
| Diesel | $5.90 | $14.98 | $29.96 |
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 · Nov 06, 2026