How far is Marietta, GA from McDonough, GA?
The driving distance from Marietta, GA to McDonough, GA is about 49.2 miles (79.1 km), with a travel time of about 01h 05m by car.
- The straight-line flight distance is about 41.9 miles (67.4 km).
- For a round trip, plan for roughly 02h 11m 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 05m.
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 Fulton County, Georgia, United States of America
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 Marietta and McDonough.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marietta and McDonough.
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1
Start on West Park Square
36 m · 11 sec · West Park Square
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2
Continue on South Park Square
105 m · 9 sec · South Park Square
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3
Continue on Roswell Street
1.7 mi · 4 min · Roswell Street
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4
Turn right onto Cobb Parkway South
1.1 km · 1 min · Cobb Parkway South
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5
Turn left onto South Marietta Parkway
1 km · 1 min · South Marietta Parkway
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6
Take the exit slight right toward I 75 South: Atlanta
2479 ft · 53 sec
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7
Merge slight left onto Larry McDonald Memorial Highway
5.2 mi · 6 min · Larry McDonald Memorial Highway
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8
Continue on Horace E Tate Freeway
7.3 mi · 9 min · Horace E Tate Freeway
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9
Continue on Downtown Connector
5 mi · 7 min · Downtown Connector
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10
Continue on James Wendell George Parkway
2.3 mi · 3 min · James Wendell George Parkway
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11
Keep slight left
21.3 mi · 25 min
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12
Take the exit slight right toward Jonesboro Road, Lovejoy
1240 ft · 32 sec
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13
Turn left onto Jonesboro Road
2.4 mi · 4 min · Jonesboro Road
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14
Keep slight right to continue on Jonesboro Road
1.6 km · 2 min · Jonesboro Road
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15
Enter the roundabout and take exit 2 toward Jonesboro Road
48 m · 3 sec · Jonesboro Road
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16
Exit the roundabout onto Jonesboro Road
1353 ft · 35 sec · Jonesboro Road
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17
Continue on Keys Ferry Street
1993 ft · 58 sec · Keys Ferry Street
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18
Turn left onto Macon Street
76 m · 14 sec · Macon Street
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19
Turn left onto John Frank Ward Boulevard
81 m · 15 sec · John Frank Ward Boulevard
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20
Turn left onto Atlanta Street
42 m · 3 sec · Atlanta Street
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21
Arrive at your destination
0 m · 1 sec · Atlanta Street
Car Route Details
A richer read on the saved driving route between Marietta and McDonough.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
James Wendell George Parkway
Keep slight left
21.3 mi · 00h 25m
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.
Sunny leaving Marietta and Sunny near McDonough.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Marietta to McDonough?
The road trip is about 49.2 miles (79.1 km) and usually takes 01h 05m 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?
Hapeville is a useful midpoint, sitting about 24.6 miles from Marietta and 24.5 miles from McDonough.
How much longer is the road route than the straight-line distance?
The direct path is about 41.9 miles (67.4 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 4:18 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.85 one way or $13.71 round trip. Estimated CO2 is about 15.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Marietta and Sunny near McDonough.
Stop Ideas Near Hapeville
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Cafe 55
Atlanta City Hall
Pine Lake City Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Hapeville.
Peachtree Station
Gainesville
Flight Path Map
This map shows the direct air route between Marietta and McDonough. Straight-line distance: 41.9 mi (67.43 km).
#1 Marietta
The most populous city in Cobb County, Georgia.
| Population | 60,786 |
| Coordinates | 33.9526000, -84.5499300 |
| Altitude | 344 |
| Country | United States |
#2 McDonough
City in and the county seat of Henry County, Georgia, United States
| Population | 27,582 |
| Coordinates | 33.4473400, -84.1468600 |
| Altitude | 264 |
| Country | United States |
End: McDonough (-84.14686, 33.44734)
Estimated Travel Time
Distance: 79 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 38m |
| 40 mph (64.37 km/h) | 01h 13m |
| 50 mph (80.47 km/h) | 00h 58m |
| 60 mph (96.56 km/h) | 00h 49m |
| 70 mph (112.65 km/h) | 00h 42m |
| 80 mph (129 km/h) | 00h 36m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $6.85 | $13.71 |
| Mid-grade | $4.43 | $7.66 | $15.32 |
| Premium | $4.78 | $8.27 | $16.53 |
| Diesel | $5.62 | $9.73 | $19.46 |
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.