How far is McDonough, GA from Smyrna, GA?
The driving distance from McDonough, GA to Smyrna, GA is about 53.3 miles (85.8 km), with a travel time of about 01h 03m by car.
- The straight-line flight distance is about 44 miles (70.8 km).
- For a round trip, plan for roughly 02h 06m 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 03m.
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 and the county seat of Newton County, Georgia, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between McDonough and Smyrna.
Turn-by-Turn Driving Directions
Step-by-step road directions between McDonough and Smyrna.
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1
Start on Atlanta Street
39 m · 11 sec · Atlanta Street
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2
Turn left onto Keys Ferry Street
2580 ft · 1 min · Keys Ferry Street
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3
Continue on Highway 81 East
10.9 mi · 15 min · Highway 81 East
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4
Turn slight right onto Keys Road
87 m · 10 sec · Keys Road
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5
Turn slight right onto Highway 81 East
1.6 mi · 2 min · Highway 81 East
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6
Continue on Highway 81 South
6 mi · 8 min · Highway 81 South
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7
Enter the roundabout and take exit 2 toward Highway 81 South
46 m · 5 sec · Highway 81 South
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8
Exit the roundabout onto Highway 81 South
1.2 mi · 2 min · Highway 81 South
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9
Continue on South Broad Street
112 m · 9 sec · South Broad Street
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10
Turn right onto Covington Bypass Road
3.6 mi · 5 min · Covington Bypass Road
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11
Continue on Dr. Martin Luther King, Junior Avenue
2.5 mi · 4 min · Dr. Martin Luther King, Junior Avenue
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12
Continue on John R. Williams Highway
1.6 km · 2 min · John R. Williams Highway
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13
Take the ramp right toward I 20 East: Augusta
1850 ft · 45 sec
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14
Merge slight left onto Purple Heart Highway
18.8 mi · 20 min · Purple Heart Highway
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15
Take the exit slight right toward GA 83: Madison, Monticello
1939 ft · 54 sec
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16
Turn left onto Monticello Highway
1.5 mi · 3 min · Monticello Highway
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17
Turn slight right
2002 ft · 38 sec
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18
Keep slight left to continue on South Main Street
2436 ft · 1 min · South Main Street
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19
Turn left onto Eatonton Road
48 m · 4 sec · Eatonton Road
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20
Turn straight onto South Main Street
2.2 mi · 5 min · South Main Street
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21
Continue on Greensboro Road
3 mi · 4 min · Greensboro Road
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22
Turn right onto Buckhead Road
31 m · 3 sec · Buckhead Road
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23
Arrive at your destination
0 m · 1 sec · Buckhead Road
Car Route Details
A richer read on the saved driving route between McDonough and Smyrna.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Purple Heart Highway
Merge slight left onto Purple Heart Highway
18.8 mi · 00h 20m
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 McDonough and Sunny near Smyrna.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from McDonough to Smyrna?
The road trip is about 53.3 miles (85.8 km) and usually takes 01h 03m 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?
Covington is a useful midpoint, sitting about 27.3 miles from McDonough and 26 miles from Smyrna.
How much longer is the road route than the straight-line distance?
The direct path is about 44 miles (70.8 km), while the road route adds roughly 9.3 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 4:24 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $7.45 one way or $14.89 round trip. Estimated CO2 is about 16.7 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around McDonough and Sunny near Smyrna.
Stop Ideas Near Covington
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 Covington.
Peachtree Station
Gainesville
Flight Path Map
This map shows the direct air route between McDonough and Smyrna. Straight-line distance: 43.99 mi (70.8 km).
#1 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 |
#2 Smyrna
The most populous city in Cobb County, Georgia.
| Population | 56,443 |
| Coordinates | 33.5981800, -83.4048900 |
| Altitude | 188 |
| Country | United States |
End: Buckhead Road (-83.404891, 33.598175)
Estimated Travel Time
Distance: 86 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 46m |
| 40 mph (64.37 km/h) | 01h 19m |
| 50 mph (80.47 km/h) | 01h 03m |
| 60 mph (96.56 km/h) | 00h 53m |
| 70 mph (112.65 km/h) | 00h 45m |
| 80 mph (129 km/h) | 00h 39m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $7.45 | $14.89 |
| Mid-grade | $4.43 | $8.33 | $16.65 |
| Premium | $4.78 | $8.98 | $17.97 |
| Diesel | $5.62 | $10.57 | $21.15 |
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 · May 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.