How far is DeKalb County, GA from Marietta, GA?
The driving distance from DeKalb County, GA to Marietta, GA is about 30.7 miles (49.4 km), with a travel time of about 00h 38m by car.
- The straight-line flight distance is about 22.4 miles (36 km).
- For a round trip, plan for roughly 01h 17m 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 38m.
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.
A city in Fulton County, Georgia.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Driving Route Map
The map below follows the saved road route between DeKalb County and Marietta.
Turn-by-Turn Driving Directions
Step-by-step road directions between DeKalb County and Marietta.
-
1
Start on Durham Park Road
3221 ft · 1 min · Durham Park Road
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2
At the end of the road, turn right onto Kensington Road
1399 ft · 38 sec · Kensington Road
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3
Turn slight right
41 m · 8 sec
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4
Turn slight right onto Camp Road
1761 ft · 52 sec · Camp Road
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5
At the end of the road, turn left onto Camp Road
656 ft · 23 sec · Camp Road
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6
Turn right onto Memorial Drive
69 m · 4 sec · Memorial Drive
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7
Continue on Memorial Drive
886 ft · 26 sec · Memorial Drive
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8
Turn left onto I 285 North
1 km · 1 min
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9
Merge slight left onto Atlanta Bypass / The Perimeter
20 mi · 24 min · Atlanta Bypass / The Perimeter
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10
Take the exit slight right toward I 75: Atlanta, Marietta, Chattanooga
1787 ft · 28 sec
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11
Keep slight right to continue on I 75 North: Marietta, Chattanooga
1.5 km · 1 min
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12
Keep slight left to continue on I 75 North: Marietta, Chattanooga
1602 ft · 21 sec
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13
Merge slight left onto Larry McDonald Memorial Highway
4.8 mi · 6 min · Larry McDonald Memorial Highway
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14
Take the exit slight right toward GA 120 Alternate: North Marietta Parkway
2101 ft · 31 sec
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15
Turn left onto North Marietta Parkway
1.8 mi · 4 min · North Marietta Parkway
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16
Turn left onto Church Street
2145 ft · 59 sec · Church Street
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17
Arrive at your destination
0 m · 1 sec · West Park Square
Car Route Details
A richer read on the saved driving route between DeKalb County 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.
Atlanta Bypass / The Perimeter
Merge slight left onto Atlanta Bypass / The Perimeter
20 mi · 00h 24m
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 DeKalb County and Clear near Marietta.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from DeKalb County to Marietta?
The road trip is about 30.7 miles (49.4 km) and usually takes 00h 38m 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?
Sandy Springs is a useful midpoint, sitting about 15.6 miles from DeKalb County and 15.1 miles from Marietta.
How much longer is the road route than the straight-line distance?
The direct path is about 22.4 miles (36 km), while the road route adds roughly 8.3 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:12 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.11 one way or $8.22 round trip. Estimated CO2 is about 9.6 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around DeKalb County and Clear near Marietta.
Stop Ideas Near Sandy Springs
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Cafe 55
Atlanta City Hall
Atlanta Revenue Bureau
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Sandy Springs.
Peachtree Station
Gainesville
Flight Path Map
This map shows the direct air route between DeKalb County and Marietta. Straight-line distance: 22.38 mi (36.02 km).
#1 DeKalb County
County in Georgia, United States
| Population | 762,009 |
| Coordinates | 33.7715300, -84.2264100 |
| Altitude | 277 |
| 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: 49 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 01m |
| 40 mph (64.37 km/h) | 00h 46m |
| 50 mph (80.47 km/h) | 00h 36m |
| 60 mph (96.56 km/h) | 00h 30m |
| 70 mph (112.65 km/h) | 00h 26m |
| 80 mph (129 km/h) | 00h 22m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.81 | $4.11 | $8.22 |
| Mid-grade | $4.26 | $4.61 | $9.21 |
| Premium | $4.69 | $5.06 | $10.12 |
| Diesel | $5.73 | $6.18 | $12.37 |
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 · Oct 13, 2026