How far is McDonough, GA from Dunwoody, GA?
The driving distance from McDonough, GA to Dunwoody, GA is about 45.5 miles (73.2 km), with a travel time of about 00h 53m by car.
- The straight-line flight distance is about 36.1 miles (58.1 km).
- For a round trip, plan for roughly 01h 46m 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 00h 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.
City in Dooly County, Georgia, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between McDonough and Dunwoody.
Turn-by-Turn Driving Directions
Step-by-step road directions between McDonough and Dunwoody.
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1
Start on Atlanta Street
39 m · 11 sec · Atlanta Street
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2
Turn left onto Keys Ferry Street
1726 ft · 51 sec · Keys Ferry Street
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3
Turn left onto Sims Street
1659 ft · 44 sec · Sims Street
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4
Continue on Highway 155 North
11.7 mi · 17 min · Highway 155 North
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5
Enter the roundabout and take exit 2 toward Snapfinger Road
36 m · 5 sec · Snapfinger Road
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6
Exit the roundabout onto Snapfinger Road
2.8 mi · 4 min · Snapfinger Road
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7
Enter the roundabout and take exit 1 toward Snapfinger Road
29 m · 2 sec · Snapfinger Road
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8
Exit the roundabout onto Snapfinger Road
5 mi · 8 min · Snapfinger Road
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9
Turn slight right
55 m · 7 sec
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10
Turn straight onto Wesley Chapel Road
1874 ft · 44 sec · Wesley Chapel Road
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11
Turn left onto I 20 West
2851 ft · 1 min
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12
Merge slight left onto Purple Heart Highway
2850 ft · 37 sec · Purple Heart Highway
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13
Take the exit slight right toward I 285 Bypass North: Greenville, Chattanooga
2355 ft · 57 sec
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14
Merge slight left onto Atlanta Bypass / The Perimeter
15.3 mi · 18 min · Atlanta Bypass / The Perimeter
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15
Take the exit slight right toward North Peachtree Road, North Shallowford Road, Chamblee-Dunwoody Road
1509 ft · 39 sec
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16
Continue on Cotillion Drive
2585 ft · 1 min · Cotillion Drive
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17
Turn right onto North Shallowford Road
1.3 km · 2 min · North Shallowford Road
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18
Continue on Chamblee Dunwoody Way
123 m · 11 sec · Chamblee Dunwoody Way
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19
Continue on Chamblee Dunwoody Road
1.5 mi · 3 min · Chamblee Dunwoody Road
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20
Turn left
28 m · 3 sec
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21
Turn right
24 m · 6 sec
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22
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between McDonough 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
15.3 mi · 00h 18m
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 McDonough and Mostly Sunny near Dunwoody.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from McDonough to Dunwoody?
The road trip is about 45.5 miles (73.2 km) and usually takes 00h 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?
Pinehurst is a useful midpoint, sitting about 20.4 miles from McDonough and 25.1 miles from Dunwoody.
How much longer is the road route than the straight-line distance?
The direct path is about 36.1 miles (58.1 km), while the road route adds roughly 9.4 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 EDT. If you want a more comfortable same-day return, try to leave by 4:44 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.34 one way or $12.68 round trip. Estimated CO2 is about 14.2 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around McDonough and Mostly Sunny near Dunwoody.
Stop Ideas Near Pinehurst
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Cafe 55
Atlanta City Hall
City of Stonecrest
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Pinehurst.
Peachtree Station
Gainesville
Flight Path Map
This map shows the direct air route between McDonough and Dunwoody. Straight-line distance: 36.12 mi (58.13 km).
#1 McDonough
City in and the county seat of Henry County, Georgia, United States
| Population | 27,582 |
| Coordinates | 33.4473400, -84.1468600 |
| Altitude | 264 |
| 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: 73 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 30m |
| 40 mph (64.37 km/h) | 01h 08m |
| 50 mph (80.47 km/h) | 00h 54m |
| 60 mph (96.56 km/h) | 00h 45m |
| 70 mph (112.65 km/h) | 00h 38m |
| 80 mph (129 km/h) | 00h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $6.34 | $12.68 |
| Mid-grade | $4.43 | $7.09 | $14.17 |
| Premium | $4.78 | $7.64 | $15.29 |
| Diesel | $5.62 | $9.00 | $18.00 |
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 · May 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.