How far is North Decatur, GA from Dunwoody, GA?

The driving distance from North Decatur, GA to Dunwoody, GA is about 12.4 miles (20 km), with a travel time of about 00h 23m by car.

  • The straight-line flight distance is about 10.9 miles (17.5 km).
  • For a round trip, plan for roughly 00h 46m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
12.4 mi
00h 23m
Flight
10.89 mi
17.53 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from North Decatur.

Flight Distance

Direct air line
10.89 mi
Kilometers
17.53 km
Flight Time
00h 01m

Driving Distance

Road route
12.4 mi
Kilometers
19.95 km
Drive Time
00h 23m

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 23m.

Arrival Snapshot
Arrive in Dunwoody
Sun, Apr 19, 10:49 PM EDT
Return by in North Decatur
Sun, Apr 19, 11:13 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave North Decatur
2026-04-19T22:26
Arrive Dunwoody
Sun, Apr 19, 10:49 PM EDT
Route Timing
00h 23m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:23 AM to 7:23 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:44 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in North Decatur
10:00 PM EDT
Flexible departure

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.

Mid-route stop
Chamblee
GA

City in DeKalb County, Georgia, United States of America

From North Decatur
6.2 mi
00h 11m
To Dunwoody
6.2 mi
00h 11m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
70°F
Sunday

Chance Showers And Thunderstorms

Starts
Sun, Apr 19 6:00 AM EDT
Wind
10 to 15 mph NW
Destination
69°F
Sunday

Chance Showers And Thunderstorms

Starts
Sun, Apr 19 6:00 AM EDT
Wind
10 to 15 mph NW

Driving Route Map

The map below follows the saved road route between North Decatur and Dunwoody.

Turn-by-Turn Driving Directions

Step-by-step road directions between North Decatur and Dunwoody.

  1. 1

    Start on North Decatur Road

    36 m · 7 sec · North Decatur Road

  2. 2

    Turn right onto Clairmont Road

    7.3 mi · 12 min · Clairmont Road

  3. 3

    Turn left onto Peachtree Boulevard

    1255 ft · 28 sec · Peachtree Boulevard

  4. 4

    Turn right onto Johnson Ferry Road Northeast

    1.4 km · 2 min · Johnson Ferry Road Northeast

  5. 5

    Continue on Ashford Dunwoody Road Northeast

    3.7 mi · 8 min · Ashford Dunwoody Road Northeast

  6. 6

    Turn right onto Mount Vernon Road

    1466 ft · 45 sec · Mount Vernon Road

  7. 7

    Turn sharp left

    28 m · 3 sec

  8. 8

    Turn right

    24 m · 6 sec

  9. 9

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between North Decatur and Dunwoody.

OSRM road route
Drive Character

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.

Directions
9 steps
6 turns on the saved route
Ramps & Exits
0
0 merges, 0 ramps or exits
Navigation Density
72.6 / 100 mi
Decision points by distance
Main Roads
Clairmont Road
7.26 mi · 59%
Ashford Dunwoody Road Northeast
3.69 mi · 30%
Johnson Ferry Road Northeast
0.88 mi · 7%
Mount Vernon Road
0.28 mi · 2%
Peachtree Boulevard
0.24 mi · 2%
North Decatur Road
0.02 mi
Longest Stretch

Clairmont Road

Turn right onto Clairmont Road

7.26 mi · 00h 12m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
00h 23m
Quick drive
Same-Day Return
00h 46m
Round-trip wheel time
Road vs Air
+1.5 mi
10.9 mi direct line
Halfway Stop
Chamblee
00h 11m from North Decatur
Leave By
7:44 PM EDT
Flexible departure
Weather Watch

Chance Showers And Thunderstorms leaving North Decatur and Chance Showers And Thunderstorms near Dunwoody.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from North Decatur to Dunwoody?

The road trip is about 12.4 miles (20 km) and usually takes 00h 23m 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?

Chamblee is a useful midpoint, sitting about 6.2 miles from North Decatur and 6.2 miles from Dunwoody.

How much longer is the road route than the straight-line distance?

The direct path is about 10.9 miles (17.5 km), while the road route adds roughly 1.5 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 7:44 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $1.74 one way or $3.49 round trip. Estimated CO2 is about 3.9 kg one way.

What should you check before leaving?

Before you leave, expect Chance Showers And Thunderstorms around North Decatur and Chance Showers And Thunderstorms near Dunwoody.

Stop Ideas Near Chamblee

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Chamblee and the surrounding midpoint area.
Cafe 55
Coffee break 9.8 mi away

Cafe 55

Atlanta , GA
55 Trinity Ave SW, Atlanta, GA 30303
Rating 3.8/5 10 reviews Cafeteria
Atlanta City Hall
Meeting point 9.8 mi away

Atlanta City Hall

Atlanta , GA
55 Trinity Ave SW, Atlanta, GA 30303
Rating 3.9/5 58 reviews City Hall,City government office
Stop photo coming soon
Nearby stop 9.8 mi away

Atlanta Revenue Bureau

Atlanta , GA
55 Trinity Ave SW # 1350, Atlanta, GA 30303
Rating 5.0/5 1 reviews City tax office

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Chamblee.

RAIL

Peachtree Station

13 mi away
1688 Peachtree Street, NW
RAIL

Gainesville

62 mi away
116 Industrial Boulevard
RAIL

Toccoa

117 mi away
47 North Alexander St.

Flight Path Map

This map shows the direct air route between North Decatur and Dunwoody. Straight-line distance: 10.89 mi (17.53 km).

North Decatur

#1 North Decatur

Census-designated place in DeKalb County, Georgia

Population16,698
Coordinates33.7903800, -84.3060300
Altitude303
CountryUnited States
Dunwoody

#2 Dunwoody

Town in DeKalb County, Georgia, USA

Population49,326
Coordinates33.9462100, -84.3346500
Altitude345
CountryUnited States
Start: North Decatur (-84.30603, 33.79038)
End: Dunwoody (-84.33465, 33.94621)

Estimated Travel Time

Distance: 20 km by road

SpeedTime
30 mph (48.3 km/h)00h 24m
40 mph (64.37 km/h)00h 18m
50 mph (80.47 km/h)00h 14m
60 mph (96.56 km/h)00h 12m
70 mph (112.65 km/h)00h 10m
80 mph (129 km/h)00h 09m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.44 gal
1.66 L · about $1.74
Round trip
$3.49
0.88 gal · 3.32 L
Estimated CO2
3.9 kg one way
Round trip: 7.8 kg / 17 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $1.74 $3.49
Mid-grade $4.43 $1.95 $3.90
Premium $4.78 $2.10 $4.20
Diesel $5.62 $2.47 $4.95

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 20, 2026

There is no time difference between North Decatur and Dunwoody. The current time is 22:26:35.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.