How far is North Decatur, GA from Marietta, GA?
The driving distance from North Decatur, GA to Marietta, GA is about 24.5 miles (39.4 km), with a travel time of about 00h 34m by car.
- The straight-line flight distance is about 18 miles (28.9 km).
- For a round trip, plan for roughly 01h 08m 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 34m.
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.
Census designated place in the U.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between North Decatur and Marietta.
Turn-by-Turn Driving Directions
Step-by-step road directions between North Decatur and Marietta.
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1
Start on North Decatur Road
36 m · 7 sec · North Decatur Road
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2
Turn right onto Clairmont Road
1.7 mi · 3 min · Clairmont Road
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3
Turn left onto North Druid Hills Road
2.1 mi · 4 min · North Druid Hills Road
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4
Turn slight left
56 m · 10 sec
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5
Take the ramp straight
1948 ft · 48 sec
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6
Merge slight left onto Northeast Expressway
3.7 mi · 5 min · Northeast Expressway
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7
Take the exit slight right toward I 75 North: Marietta, Chattanooga
2825 ft · 1 min
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8
Merge slight left onto Horace E Tate Freeway
6.4 mi · 8 min · Horace E Tate Freeway
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9
Continue on Larry McDonald Memorial Highway
7 mi · 8 min · Larry McDonald Memorial Highway
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10
Take the exit slight right toward GA 120 Alternate: North Marietta Parkway
2101 ft · 31 sec
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11
Turn left onto North Marietta Parkway
1.8 mi · 4 min · North Marietta Parkway
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12
Turn left onto Church Street
2145 ft · 59 sec · Church Street
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13
Arrive at your destination
0 m · 1 sec · West Park Square
Car Route Details
A richer read on the saved driving route between North Decatur and Marietta.
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.
Larry McDonald Memorial Highway
Continue on Larry McDonald Memorial Highway
6.99 mi · 00h 08m
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.
Chance Showers And Thunderstorms leaving North Decatur and Chance Rain Showers near Marietta.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from North Decatur to Marietta?
The road trip is about 24.5 miles (39.4 km) and usually takes 00h 34m 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?
Vinings is a useful midpoint, sitting about 12.2 miles from North Decatur and 12.3 miles from Marietta.
How much longer is the road route than the straight-line distance?
The direct path is about 18 miles (28.9 km), while the road route adds roughly 6.5 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 7:22 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.41 one way or $6.81 round trip. Estimated CO2 is about 7.6 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around North Decatur and Chance Rain Showers near Marietta.
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 North Decatur and Marietta. Straight-line distance: 17.93 mi (28.85 km).
#1 North Decatur
Census-designated place in DeKalb County, Georgia
| Population | 16,698 |
| Coordinates | 33.7903800, -84.3060300 |
| Altitude | 303 |
| Country | United States |
#2 Marietta
The most populous city in Cobb County, Georgia.
| Population | 60,786 |
| Coordinates | 33.9526000, -84.5499300 |
| Altitude | 344 |
| Country | United States |
End: West Park Square (-84.550173, 33.952601)
Estimated Travel Time
Distance: 39 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 48m |
| 40 mph (64.37 km/h) | 00h 36m |
| 50 mph (80.47 km/h) | 00h 29m |
| 60 mph (96.56 km/h) | 00h 24m |
| 70 mph (112.65 km/h) | 00h 21m |
| 80 mph (129 km/h) | 00h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $3.41 | $6.81 |
| Mid-grade | $4.43 | $3.81 | $7.62 |
| Premium | $4.78 | $4.11 | $8.22 |
| Diesel | $5.62 | $4.84 | $9.67 |
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 20, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.