How far is Dunwoody, GA from Union City, GA?
The driving distance from Dunwoody, GA to Union City, GA is about 34.8 miles (56 km), with a travel time of about 00h 46m by car.
- The straight-line flight distance is about 27.5 miles (44.3 km).
- For a round trip, plan for roughly 01h 33m 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 46m.
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.
Census designated place in the U.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Dunwoody and Union City.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dunwoody and Union City.
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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
1008 ft · 31 sec · Mount Vernon Road
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4
Turn left onto Ashford Dunwoody Road Northeast
1.7 mi · 3 min · Ashford Dunwoody Road Northeast
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5
Take the ramp slight right toward I 285 West
1603 ft · 39 sec
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6
Keep slight left to continue on I 285 West
126 m · 10 sec
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7
Merge slight left onto Atlanta Bypass / The Perimeter
26.9 mi · 31 min · Atlanta Bypass / The Perimeter
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8
Take the exit slight right toward I 85 North, I 85 South: Airport Domestic, Atlanta, Columbus, Montgomery
1125 ft · 19 sec
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9
Keep slight right to continue on I 85 South: Columbus, Montgomery
1.3 km · 2 min
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10
Merge slight left
2.2 mi · 2 min
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11
Take the exit slight right toward Flat Shoals Road
762 ft · 19 sec
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12
Continue on Flat Shaols Road
1211 ft · 29 sec
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13
Keep slight right to continue on Flat Shoals Road
50 m · 4 sec
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14
Turn right onto Flat Shoals Road
1.6 mi · 4 min · Flat Shoals Road
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15
Turn right onto Bally Shannon Drive
152 m · 28 sec · Bally Shannon Drive
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16
At the end of the road, turn left onto Kilkenny Drive
63 m · 12 sec · Kilkenny Drive
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17
Turn right onto Limerick Drive
539 ft · 28 sec · Limerick Drive
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18
Turn right onto Bantry Circle
81 m · 12 sec · Bantry Circle
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19
Arrive at your destination
0 m · 1 sec · Bantry Circle
Car Route Details
A richer read on the saved driving route between Dunwoody and Union City.
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
26.9 mi · 00h 31m
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.
Mostly Sunny leaving Dunwoody and Mostly Sunny near Union City.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dunwoody to Union City?
The road trip is about 34.8 miles (56 km) and usually takes 00h 46m 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?
Vinings is a useful midpoint, sitting about 17.4 miles from Dunwoody and 17.4 miles from Union City.
How much longer is the road route than the straight-line distance?
The direct path is about 27.5 miles (44.3 km), while the road route adds roughly 7.3 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 4:56 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.87 one way or $9.74 round trip. Estimated CO2 is about 10.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Dunwoody and Mostly Sunny near Union City.
Stop Ideas Near Vinings
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 Vinings.
Peachtree Station
Gainesville
Flight Path Map
This map shows the direct air route between Dunwoody and Union City. Straight-line distance: 27.53 mi (44.31 km).
#1 Dunwoody
Town in DeKalb County, Georgia, USA
| Population | 49,326 |
| Coordinates | 33.9462100, -84.3346500 |
| Altitude | 345 |
| Country | United States |
#2 Union City
City in Fulton County, Georgia, United States
| Population | 22,399 |
| Coordinates | 33.5870600, -84.5424300 |
| Altitude | 295 |
| Country | United States |
End: Union City (-84.54243, 33.58706)
Estimated Travel Time
Distance: 56 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 09m |
| 40 mph (64.37 km/h) | 00h 52m |
| 50 mph (80.47 km/h) | 00h 41m |
| 60 mph (96.56 km/h) | 00h 34m |
| 70 mph (112.65 km/h) | 00h 29m |
| 80 mph (129 km/h) | 00h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $4.87 | $9.74 |
| Mid-grade | $4.43 | $5.45 | $10.90 |
| Premium | $4.78 | $5.88 | $11.75 |
| Diesel | $5.62 | $6.92 | $13.84 |
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 18, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.