How far is Dunwoody, GA from Riverdale, GA?
The driving distance from Dunwoody, GA to Riverdale, GA is about 29 miles (46.7 km), with a travel time of about 00h 41m by car.
- The straight-line flight distance is about 26.2 miles (42.2 km).
- For a round trip, plan for roughly 01h 22m 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 41m.
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.
The most populous city in Georgia and the center of the Atlanta metropolitan area.
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 Dunwoody and Riverdale.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dunwoody and Riverdale.
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1
Start on the route
11 m · 3 sec
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2
Turn right
129 m · 15 sec
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3
Continue on Mount Vernon Road
1.4 km · 2 min · Mount Vernon Road
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4
Continue on Mount Vernon Highway
2395 ft · 1 min · Mount Vernon Highway
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5
Turn right onto Abernathy Road Northeast
2000 ft · 48 sec · Abernathy Road Northeast
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6
Take the ramp left toward US 19 South, GA 400 South
1847 ft · 24 sec
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7
Keep slight left
889 ft · 12 sec
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8
Merge slight left onto Turner McDonald Parkway
1.6 km · 1 min · Turner McDonald Parkway
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9
Continue on T Harvey Mathis Parkway
6.8 mi · 9 min · T Harvey Mathis Parkway
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10
Merge slight left onto Northeast Expressway
2.9 mi · 4 min · Northeast Expressway
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11
Continue on Downtown Connector
5 mi · 7 min · Downtown Connector
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12
Continue on James Wendell George Parkway
2.3 mi · 3 min · James Wendell George Parkway
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13
Keep slight left
4.5 mi · 6 min
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14
Take the exit slight right toward GA 85 South: Riverdale
2143 ft · 52 sec
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15
Continue on State Route 85
3.6 mi · 6 min · State Route 85
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16
Turn right onto Main Street
57 m · 9 sec · Main Street
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17
Turn left
12 m · 3 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Dunwoody and Riverdale.
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.
T Harvey Mathis Parkway
Continue on T Harvey Mathis Parkway
6.83 mi · 00h 09m
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.
Sunny leaving Dunwoody and Mostly Sunny near Riverdale.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dunwoody to Riverdale?
The road trip is about 29 miles (46.7 km) and usually takes 00h 41m 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?
Atlanta is a useful midpoint, sitting about 14.5 miles from Dunwoody and 14.5 miles from Riverdale.
How much longer is the road route than the straight-line distance?
The direct path is about 26.2 miles (42.2 km), while the road route adds roughly 2.8 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 7:08 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.04 one way or $8.08 round trip. Estimated CO2 is about 9.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Dunwoody and Mostly Sunny near Riverdale.
Stop Ideas Near Atlanta
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Cafe 55
Atlanta City Hall
College Park Recycling Drop off Center
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Atlanta.
Peachtree Station
Gainesville
Flight Path Map
This map shows the direct air route between Dunwoody and Riverdale. Straight-line distance: 26.2 mi (42.17 km).
#1 Dunwoody
Town in DeKalb County, Georgia, USA
| Population | 49,326 |
| Coordinates | 33.9462100, -84.3346500 |
| Altitude | 345 |
| Country | United States |
#2 Riverdale
City in Clayton County, Georgia, United States
| Population | 15,516 |
| Coordinates | 33.5726100, -84.4132600 |
| Altitude | 282 |
| Country | United States |
End: Riverdale (-84.41326, 33.57261)
Estimated Travel Time
Distance: 47 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 58m |
| 40 mph (64.37 km/h) | 00h 43m |
| 50 mph (80.47 km/h) | 00h 34m |
| 60 mph (96.56 km/h) | 00h 29m |
| 70 mph (112.65 km/h) | 00h 24m |
| 80 mph (129 km/h) | 00h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $4.04 | $8.08 |
| Mid-grade | $4.43 | $4.52 | $9.04 |
| Premium | $4.78 | $4.87 | $9.75 |
| Diesel | $5.62 | $5.74 | $11.47 |
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.