How far is Byron, GA from Dunwoody, GA?
The driving distance from Byron, GA to Dunwoody, GA is about 108.6 miles (174.8 km), with a travel time of about 01h 48m by car.
- The straight-line flight distance is about 95.3 miles (153.3 km).
- For a round trip, plan for roughly 03h 37m 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 01h 48m.
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 Henry County, Georgia, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Showers And Thunderstorms
Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Byron and Dunwoody.
Turn-by-Turn Driving Directions
Step-by-step road directions between Byron and Dunwoody.
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1
Start on Main Street
1260 ft · 40 sec · Main Street
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2
Turn left
2929 ft · 1 min
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3
Continue straight
1782 ft · 45 sec
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4
Take the exit left toward I 75:north: Macon
6.8 mi · 8 min
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5
Keep slight left to continue on Larry Justice Highway
15.9 mi · 17 min · Larry Justice Highway
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6
Merge slight right
49.5 mi · 54 min
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7
Keep slight right to continue on Terrell Starr Parkway
10.1 mi · 12 min · Terrell Starr Parkway
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8
Keep slight right to continue on I 285 East: Augusta, Greenville
1 km · 1 min
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9
Merge slight left onto Atlanta Bypass / The Perimeter
21 mi · 24 min · Atlanta Bypass / The Perimeter
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10
Take the exit slight right toward North Peachtree Road, North Shallowford Road, Chamblee-Dunwoody Road
1509 ft · 39 sec
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11
Continue on Cotillion Drive
2585 ft · 1 min · Cotillion Drive
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12
Turn right onto North Shallowford Road
1.3 km · 2 min · North Shallowford Road
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13
Continue on Chamblee Dunwoody Way
123 m · 11 sec · Chamblee Dunwoody Way
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14
Continue on Chamblee Dunwoody Road
1.5 mi · 3 min · Chamblee Dunwoody Road
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15
Turn left
28 m · 3 sec
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16
Turn right
24 m · 6 sec
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17
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Byron 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.
Larry Justice Highway
Merge slight right
49.5 mi · 00h 54m
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.
Showers And Thunderstorms leaving Byron and 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 Byron to Dunwoody?
The road trip is about 108.6 miles (174.8 km) and usually takes 01h 48m 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?
Locust Grove is a useful midpoint, sitting about 54.2 miles from Byron and 54.4 miles from Dunwoody.
How much longer is the road route than the straight-line distance?
The direct path is about 95.3 miles (153.3 km), while the road route adds roughly 13.3 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 2:52 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.17 one way or $30.34 round trip. Estimated CO2 is about 34 kg one way.
What should you check before leaving?
Before you leave, expect Showers And Thunderstorms around Byron and Showers And Thunderstorms near Dunwoody.
Stop Ideas Near Locust Grove
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 Locust Grove.
Peachtree Station
Gainesville
Flight Path Map
This map shows the direct air route between Byron and Dunwoody. Straight-line distance: 95.27 mi (153.33 km).
#1 Byron
City in Peach County, Georgia, United States
| Population | 5,274 |
| Coordinates | 32.6537600, -83.7596300 |
| Altitude | 155 |
| 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: 175 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 37m |
| 40 mph (64.37 km/h) | 02h 42m |
| 50 mph (80.47 km/h) | 02h 10m |
| 60 mph (96.56 km/h) | 01h 48m |
| 70 mph (112.65 km/h) | 01h 33m |
| 80 mph (129 km/h) | 01h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $15.17 | $30.34 |
| Mid-grade | $4.43 | $16.96 | $33.93 |
| Premium | $4.78 | $18.30 | $36.60 |
| Diesel | $5.62 | $21.54 | $43.08 |
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 29, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.