How far is Decatur, GA from Dunwoody, GA?
The driving distance from Decatur, GA to Dunwoody, GA is about 15.7 miles (25.3 km), with a travel time of about 00h 26m by car.
- The straight-line flight distance is about 12.1 miles (19.4 km).
- For a round trip, plan for roughly 00h 52m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 26m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
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.
Census-designated place, Georgia, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Decatur and Dunwoody.
Turn-by-Turn Driving Directions
Step-by-step road directions between Decatur and Dunwoody.
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1
Start on the route
88 m · 23 sec
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2
At the end of the road, turn right onto East Ponce de Leon Avenue
95 m · 13 sec · East Ponce de Leon Avenue
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3
Turn left onto Church Street
1.9 mi · 4 min · Church Street
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4
Turn straight onto Scott Boulevard
146 m · 10 sec · Scott Boulevard
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5
Continue on Lawrenceville Highway
2488 ft · 44 sec · Lawrenceville Highway
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6
Keep slight left to continue on Lawrenceville Highway
2.1 mi · 3 min · Lawrenceville Highway
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7
Take the ramp slight left toward I 285 North
1992 ft · 30 sec
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8
Merge slight left onto Atlanta Bypass / The Perimeter
7 mi · 8 min · Atlanta Bypass / The Perimeter
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9
Take the exit slight right toward North Peachtree Road, North Shallowford Road, Chamblee-Dunwoody Road
1509 ft · 39 sec
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10
Continue on Cotillion Drive
2585 ft · 1 min · Cotillion Drive
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11
Turn right onto North Shallowford Road
1.3 km · 2 min · North Shallowford Road
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12
Continue on Chamblee Dunwoody Way
123 m · 11 sec · Chamblee Dunwoody Way
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13
Continue on Chamblee Dunwoody Road
1.5 mi · 3 min · Chamblee Dunwoody Road
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14
Turn left
28 m · 3 sec
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15
Turn right
24 m · 6 sec
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16
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Decatur and Dunwoody.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Atlanta Bypass / The Perimeter
Merge slight left onto Atlanta Bypass / The Perimeter
7.02 mi · 00h 08m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny leaving Decatur and Sunny near Dunwoody.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Decatur to Dunwoody?
The road trip is about 15.7 miles (25.3 km) and usually takes 00h 26m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Tucker is a useful midpoint, sitting about 7.7 miles from Decatur and 8.1 miles from Dunwoody.
How much longer is the road route than the straight-line distance?
The direct path is about 12.1 miles (19.4 km), while the road route adds roughly 3.6 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:38 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $2.18 one way or $4.36 round trip. Estimated CO2 is about 4.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Decatur and Sunny near Dunwoody.
Stop Ideas Near Tucker
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Cafe 55
Atlanta City Hall
Atlanta Revenue Bureau
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Tucker.
Peachtree Station
Gainesville
Toccoa
Flight Path Map
This map shows the direct air route between Decatur and Dunwoody. Straight-line distance: 12.04 mi (19.38 km).
#1 Decatur
County seat of DeKalb County, Georgia, United States
| Population | 25,655 |
| Coordinates | 33.7748300, -84.2963100 |
| Altitude | 318 |
| Country | United States |
#2 Dunwoody
Town in DeKalb County, Georgia, USA
| Population | 49,326 |
| Coordinates | 33.9462100, -84.3346500 |
| Altitude | 345 |
| Country | United States |
End: (-84.334674, 33.9462)
Estimated Travel Time
Distance: 25 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 31m |
| 40 mph (64.37 km/h) | 00h 23m |
| 50 mph (80.47 km/h) | 00h 18m |
| 60 mph (96.56 km/h) | 00h 15m |
| 70 mph (112.65 km/h) | 00h 13m |
| 80 mph (129 km/h) | 00h 11m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $2.18 | $4.36 |
| Mid-grade | $4.43 | $2.44 | $4.87 |
| Premium | $4.78 | $2.63 | $5.26 |
| Diesel | $5.62 | $3.09 | $6.19 |
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 Georgia · 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.