How far is East Chattanooga, TN from Decatur, TN?
The driving distance from East Chattanooga, TN to Decatur, TN is about 42.5 miles (68.4 km), with a travel time of about 01h 04m by car.
- The straight-line flight distance is about 40.5 miles (65.1 km).
- For a round trip, plan for roughly 02h 09m 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 04m.
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.
City in Hamilton County, Tennessee, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms Likely
Showers And Thunderstorms Likely
Driving Route Map
The map below follows the saved road route between East Chattanooga and Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between East Chattanooga and Decatur.
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1
Start on North Chamberlain Avenue
16 m · 4 sec · North Chamberlain Avenue
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2
Turn right onto Glass Street
1824 ft · 41 sec · Glass Street
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3
At the end of the road, turn left onto Campbell Street
1 km · 1 min · Campbell Street
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4
Continue on Bonny Oaks Drive
41.5 mi · 1 hr 3 min · Bonny Oaks Drive
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5
Arrive at your destination
0 m · 1 sec · Highway 58
Car Route Details
A richer read on the saved driving route between East Chattanooga and Decatur.
Straightforward drive
The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.
Bonny Oaks Drive
Continue on Bonny Oaks Drive
41.5 mi · 01h 03m
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.
Showers And Thunderstorms Likely leaving East Chattanooga and Showers And Thunderstorms Likely near Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from East Chattanooga to Decatur?
The road trip is about 42.5 miles (68.4 km) and usually takes 01h 04m 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?
Lakesite is a useful midpoint, sitting about 21.3 miles from East Chattanooga and 21.3 miles from Decatur.
How much longer is the road route than the straight-line distance?
The direct path is about 40.5 miles (65.1 km), while the road route adds roughly 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 4:20 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.66 one way or $11.31 round trip. Estimated CO2 is about 13.3 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms Likely around East Chattanooga and Showers And Thunderstorms Likely near Decatur.
Flight Path Map
This map shows the direct air route between East Chattanooga and Decatur. Straight-line distance: 40.43 mi (65.06 km).
#1 East Chattanooga
A neighborhood in Chattanooga, Tennessee.
| Population | 11,000 |
| Coordinates | 35.0653500, -85.2491200 |
| Altitude | 208 |
| Country | United States |
#2 Decatur
Human settlement in Meigs County, Tennessee, United States of America
| Population | 1,663 |
| Coordinates | 35.5147900, -84.7902200 |
| Altitude | 237 |
| Country | United States |
End: Decatur (-84.79022, 35.51479)
Estimated Travel Time
Distance: 68 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 24m |
| 40 mph (64.37 km/h) | 01h 03m |
| 50 mph (80.47 km/h) | 00h 50m |
| 60 mph (96.56 km/h) | 00h 42m |
| 70 mph (112.65 km/h) | 00h 36m |
| 80 mph (129 km/h) | 00h 31m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.77 | $5.66 | $11.31 |
| Mid-grade | $4.25 | $6.38 | $12.76 |
| Premium | $4.65 | $6.98 | $13.96 |
| Diesel | $5.30 | $7.96 | $15.91 |
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 · May 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.