How far is Marietta, GA from Port Wentworth, GA?
The driving distance from Marietta, GA to Port Wentworth, GA is about 267.6 miles (430.6 km), with a travel time of about 05h 02m by car.
- The straight-line flight distance is about 232.3 miles (373.9 km).
- For a round trip, plan for roughly 10h 04m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 05h 02m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Human settlement in Bleckley, Laurens, Twiggs, and Wilkinson counties, Georgia, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Showers And Thunderstorms
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Marietta and Port Wentworth.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marietta and Port Wentworth.
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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
64.8 mi · 1 hr 12 min
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12
Keep slight left to continue on Macon, Savannah
12.3 mi · 13 min
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13
Take the exit slight right toward I 16 East: Jim Gillis Highway, Savannah
1.1 mi · 1 min
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14
Continue straight
156.2 mi · 2 hr 48 min
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15
Take the exit slight right toward I 95 North: Airport, Florence SC
1350 ft · 58 sec
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16
Merge slight left
4.4 mi · 5 min
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17
Take the exit slight right toward Savannah/Hilton Head International Airport
1911 ft · 47 sec
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18
Turn right onto Airways Avenue
1.2 mi · 2 min · Airways Avenue
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19
Turn left onto Gulfstream Road
2 mi · 4 min · Gulfstream Road
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20
Continue on Crossgate Road
1.7 mi · 3 min · Crossgate Road
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21
Arrive at your destination
0 m · 1 sec · Crossgate Road
Car Route Details
A richer read on the saved driving route between Marietta and Port Wentworth.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 16 East
Continue straight
156 mi · 02h 48m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Chance Showers And Thunderstorms leaving Marietta and Chance Showers And Thunderstorms near Port Wentworth.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Marietta to Port Wentworth?
The road trip is about 267.6 miles (430.6 km) and usually takes 05h 02m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Allentown is a useful midpoint, sitting about 133.7 miles from Marietta and 133.8 miles from Port Wentworth.
How much longer is the road route than the straight-line distance?
The direct path is about 232.3 miles (373.9 km), while the road route adds roughly 35.3 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 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 6:56 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $37.39 one way or $74.78 round trip. Estimated CO2 is about 83.9 kg one way.
What should you check before leaving?
Before you leave, expect Chance Showers And Thunderstorms around Marietta and Chance Showers And Thunderstorms near Port Wentworth.
Flight Path Map
This map shows the direct air route between Marietta and Port Wentworth. Straight-line distance: 232.35 mi (373.93 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 Port Wentworth
City in Chatham County, Georgia, USA
| Population | 9,812 |
| Coordinates | 32.1490900, -81.1631700 |
| Altitude | 7 |
| Country | United States |
End: Port Wentworth (-81.16317, 32.14909)
Estimated Travel Time
Distance: 431 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 54m |
| 40 mph (64.37 km/h) | 06h 41m |
| 50 mph (80.47 km/h) | 05h 21m |
| 60 mph (96.56 km/h) | 04h 27m |
| 70 mph (112.65 km/h) | 03h 49m |
| 80 mph (129 km/h) | 03h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $37.39 | $74.78 |
| Mid-grade | $4.43 | $41.81 | $83.62 |
| Premium | $4.78 | $45.10 | $90.21 |
| Diesel | $5.62 | $53.09 | $106.18 |
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 25, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.