How far is Smyrna, GA from Dunwoody, GA?
Fastest route
The distance between Smyrna, Georgia and Dunwoody, Georgia is approximately 15.1 miles (24.3 kilometers). The fastest route to your destination is via I-285 E, and the estimated travel time is 25 minutes.
Directions
- Head north on Atlanta Rd SE toward W Spring St (0.8 mi).
- Turn right onto Windy Hill Rd SE (2.9 mi).
- Use the right two lanes to take the ramp onto I-75 S (1.2 mi).
- Take exit 259A to merge onto I-285 E (6.7 mi).
- Take exit 29 toward Ashford Dunwoody Rd (1.4 mi).
- Merge onto Ashford Dunwoody Rd (1.8 mi).
- Slight right onto Mt Vernon Rd (0.3 mi).
- Drive to your destination: Turn left (59 ft) and then turn right (131 ft).
Tips & Suggestions
- 🚗 Leave early to avoid rush hour traffic.
- 🛣️ Follow the signs for I-285 E.
- ⚠️ Be prepared for possible road construction or detours.
- ⛽ Make sure your vehicle has enough fuel for the journey.
- 🚦 Observe the traffic signals and road signs along the way.
- 🚘 Stay in the right two lanes to take the exit for Ashford Dunwoody Rd.
- 📍 Use a GPS navigation system or map for additional guidance during the trip.
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 15m.
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 Rockdale County, Georgia, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers
Mostly Sunny then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Smyrna and Dunwoody.
Turn-by-Turn Driving Directions
Step-by-step road directions between Smyrna and Dunwoody.
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1
Start on Buckhead Road
31 m · 7 sec · Buckhead Road
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2
Turn left onto Greensboro Road
3 mi · 4 min · Greensboro Road
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3
Turn left onto Madison Bypass
4.2 mi · 6 min · Madison Bypass
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4
Continue on Eatonton Road
3165 ft · 1 min · Eatonton Road
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5
Take the exit right toward I 20 West: Atlanta
2122 ft · 26 sec
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6
Continue on Purple Heart Highway
46.6 mi · 50 min · Purple Heart Highway
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7
Take the exit slight right toward I 285 Bypass North: Greenville, Chattanooga
2355 ft · 57 sec
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8
Merge slight left onto Atlanta Bypass / The Perimeter
15.3 mi · 18 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
-
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
-
14
Turn left
28 m · 3 sec
-
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 Smyrna and Dunwoody.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Purple Heart Highway
Continue on Purple Heart Highway
46.6 mi · 00h 50m
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.
Slight Chance Rain Showers leaving Smyrna and Mostly Sunny then Slight Chance Rain Showers near Dunwoody.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Smyrna to Dunwoody?
The road trip is about 73.9 miles (118.9 km) and usually takes 01h 15m 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?
Conyers is a useful midpoint, sitting about 36.9 miles from Smyrna and 37 miles from Dunwoody.
How much longer is the road route than the straight-line distance?
The direct path is about 58.5 miles (94.2 km), while the road route adds roughly 15.4 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 4:00 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $10.34 one way or $20.68 round trip. Estimated CO2 is about 23.2 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Smyrna and Mostly Sunny then Slight Chance Rain Showers near Dunwoody.
Stop Ideas Near Conyers
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Conyers.
Peachtree Station
Gainesville
Toccoa
Flight Path Map
This map shows the direct air route between Smyrna and Dunwoody. Straight-line distance: 58.56 mi (94.25 km).
#1 Smyrna
The most populous city in Cobb County, Georgia.
| Population | 56,443 |
| Coordinates | 33.5981800, -83.4048900 |
| Altitude | 188 |
| 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: 119 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 27m |
| 40 mph (64.37 km/h) | 01h 50m |
| 50 mph (80.47 km/h) | 01h 28m |
| 60 mph (96.56 km/h) | 01h 13m |
| 70 mph (112.65 km/h) | 01h 03m |
| 80 mph (129 km/h) | 00h 55m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $10.34 | $20.68 |
| Mid-grade | $4.43 | $11.56 | $23.12 |
| Premium | $4.78 | $12.47 | $24.94 |
| Diesel | $5.62 | $14.68 | $29.36 |
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 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.