How far is Loudon, TN from Chattanooga, TN?
The driving distance from Loudon, TN to Chattanooga, TN is about 83.8 miles (134.8 km), with a travel time of about 01h 19m by car.
- The straight-line flight distance is about 72.6 miles (116.9 km).
- For a round trip, plan for roughly 02h 38m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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 19m.
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.
Human settlement in Bradley County, Tennessee, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between Loudon and Chattanooga.
Turn-by-Turn Driving Directions
Step-by-step road directions between Loudon and Chattanooga.
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1
Start on Blair Street
12 m · 3 sec · Blair Street
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2
Turn right onto Grove Street
3265 ft · 1 min · Grove Street
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3
Turn right onto State Route 72
3.9 mi · 6 min · State Route 72
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4
Continue on Loudon Highway
1186 ft · 27 sec · Loudon Highway
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5
Turn left onto SR 72: Loudon
1875 ft · 38 sec
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6
Merge slight left
69.9 mi · 1 hr 17 min
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7
Take the exit slight right toward I 24 West: Chattanooga, Nashville
1.1 km · 56 sec
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8
Continue on Chattanooga, Nashville
5.8 mi · 8 min
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9
Take the exit slight right toward US 27 North: Downtown, Lookout Mountain
999 ft · 15 sec
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10
Keep slight left to continue on US 27 North: Downtown, Lookout Mountain
1018 ft · 16 sec
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11
Keep slight left
1.4 mi · 2 min
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12
Take the exit slight right toward Downtown
1123 ft · 26 sec
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13
Turn right onto West Martin Luther King Boulevard
897 ft · 30 sec · West Martin Luther King Boulevard
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14
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 Loudon 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.
SR 72
Merge slight left
69.9 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.
Sunny leaving Loudon and Sunny near Chattanooga.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Loudon to Chattanooga?
The road trip is about 83.8 miles (134.8 km) and usually takes 01h 19m 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?
Charleston is a useful midpoint, sitting about 41.8 miles from Loudon and 41.9 miles from Chattanooga.
How much longer is the road route than the straight-line distance?
The direct path is about 72.6 miles (116.9 km), while the road route adds roughly 11.2 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 EDT. If you want a more comfortable same-day return, try to leave by 3:52 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $11.16 one way or $22.32 round trip. Estimated CO2 is about 26.3 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Loudon and Sunny near Chattanooga.
Flight Path Map
This map shows the direct air route between Loudon and Chattanooga. Straight-line distance: 72.64 mi (116.9 km).
#1 Loudon
Human settlement in Loudon County, Tennessee, United States of America
| Population | 6,009 |
| Coordinates | 35.7328500, -84.3338100 |
| Altitude | 255 |
| 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: 135 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 47m |
| 40 mph (64.37 km/h) | 02h 05m |
| 50 mph (80.47 km/h) | 01h 40m |
| 60 mph (96.56 km/h) | 01h 23m |
| 70 mph (112.65 km/h) | 01h 11m |
| 80 mph (129 km/h) | 01h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $11.16 | $22.32 |
| Mid-grade | $4.25 | $12.59 | $25.18 |
| Premium | $4.65 | $13.78 | $27.55 |
| Diesel | $5.30 | $15.70 | $31.40 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.