How far is Unionville, TN from Chattanooga, TN?
The driving distance from Unionville, TN to Chattanooga, TN is about 106.9 miles (172 km), with a travel time of about 01h 53m by car.
- The straight-line flight distance is about 82.5 miles (132.8 km).
- For a round trip, plan for roughly 03h 46m 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 53m.
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 Franklin County, Tennessee, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Patchy Fog then Mostly Sunny
Patchy Fog then Sunny
Driving Route Map
The map below follows the saved road route between Unionville and Chattanooga.
Turn-by-Turn Driving Directions
Step-by-step road directions between Unionville and Chattanooga.
-
1
Start on Halls Mill Road
29 m · 9 sec · Halls Mill Road
-
2
Turn left onto Unionville-Chapel Hill Road
58 m · 7 sec · Unionville-Chapel Hill Road
-
3
Turn right
21.8 mi · 31 min
-
4
Continue straight
1523 ft · 20 sec
-
5
Merge slight left
8 mi · 10 min
-
6
Turn left onto West Carroll Street
2327 ft · 32 sec · West Carroll Street
-
7
Turn right onto South Anderson Street
1815 ft · 52 sec · South Anderson Street
-
8
Continue on Forrest Boulevard
2965 ft · 1 min · Forrest Boulevard
-
9
Continue on Wattendorf Highway
1.7 mi · 2 min · Wattendorf Highway
-
10
Continue on Wattendorf Memorial Highway
10.6 mi · 14 min · Wattendorf Memorial Highway
-
11
Take the ramp right
1157 ft · 16 sec
-
12
Merge slight left onto I 24
60.7 mi · 1 hr 9 min · I 24
-
13
Take the exit slight right toward US 27 North: Downtown Chattanooga
2163 ft · 47 sec
-
14
Continue straight
1.2 km · 60 sec
-
15
Take the exit slight right toward Downtown
1123 ft · 26 sec
-
16
Turn right onto West Martin Luther King Boulevard
897 ft · 30 sec · West Martin Luther King Boulevard
-
17
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 Unionville 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
Merge slight left onto I 24
60.7 mi · 01h 09m
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.
Patchy Fog then Mostly Sunny leaving Unionville 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 Unionville to Chattanooga?
The road trip is about 106.9 miles (172 km) and usually takes 01h 53m 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 53.1 miles from Unionville and 53.8 miles from Chattanooga.
How much longer is the road route than the straight-line distance?
The direct path is about 82.5 miles (132.8 km), while the road route adds roughly 24.4 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 2:44 PM CST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $13.88 one way or $27.76 round trip. Estimated CO2 is about 33.5 kg one way.
Do you cross a time zone on this route?
Yes. There is about a 1 hour time difference between Unionville and Chattanooga, so arrival and return times should be read in local time.
What should you check before leaving?
Before you leave, expect Patchy Fog then Mostly Sunny around Unionville and Patchy Fog then Sunny near Chattanooga.
Flight Path Map
This map shows the direct air route between Unionville and Chattanooga. Straight-line distance: 82.54 mi (132.83 km).
#1 Unionville
Unionville is a place in Tennessee, United States.
| Population | 0 |
| Coordinates | 35.6217400, -86.5925000 |
| Altitude | 220 |
| 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: 172 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 33m |
| 40 mph (64.37 km/h) | 02h 40m |
| 50 mph (80.47 km/h) | 02h 08m |
| 60 mph (96.56 km/h) | 01h 46m |
| 70 mph (112.65 km/h) | 01h 31m |
| 80 mph (129 km/h) | 01h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.68 | $13.88 | $27.76 |
| Mid-grade | $4.15 | $15.65 | $31.29 |
| Premium | $4.56 | $17.20 | $34.41 |
| Diesel | $5.90 | $22.23 | $44.46 |
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