How far is Wilmington Island, GA from Marietta, GA?

The driving distance from Wilmington Island, GA to Marietta, GA is about 278.3 miles (447.9 km), with a travel time of about 04h 40m by car.

  • The straight-line flight distance is about 247.2 miles (397.8 km).
  • For a round trip, plan for roughly 09h 21m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
278.32 mi
04h 40m
Flight
247.16 mi
397.76 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Wilmington Island.

Flight Distance

Direct air line
247.16 mi
Kilometers
397.76 km
Flight Time
00h 29m

Driving Distance

Road route
278.32 mi
Kilometers
447.91 km
Drive Time
04h 40m

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 04h 40m.

Arrival Snapshot
Arrive in Marietta
Sat, May 30, 2:03 PM EDT
Return by in Wilmington Island
Sat, May 30, 6:43 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Wilmington Island
2026-05-30T09:22
Arrive Marietta
Sat, May 30, 2:03 PM EDT
Route Timing
04h 40m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:41 AM to 12:41 PM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
7:38 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Wilmington Island
9:00 PM EDT
Early departure recommended

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.

Mid-route stop
Montrose
GA

Town in Laurens County, Georgia, United States

From Wilmington Island
138.9 mi
02h 20m
To Marietta
139.4 mi
02h 20m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
83°F
Saturday

Showers And Thunderstorms

Starts
Sat, May 30 6:00 AM EDT
Wind
3 to 9 mph SW
Destination
80°F
Saturday

Showers And Thunderstorms Likely

Starts
Sat, May 30 6:00 AM EDT
Wind
0 to 5 mph W

Driving Route Map

The map below follows the saved road route between Wilmington Island and Marietta.

Turn-by-Turn Driving Directions

Step-by-step road directions between Wilmington Island and Marietta.

  1. 1

    Start on Wigmore Court

    141 m · 22 sec · Wigmore Court

  2. 2

    Turn right onto Wigmore Road

    102 m · 16 sec · Wigmore Road

  3. 3

    Turn right onto Gloucester Road

    718 ft · 27 sec · Gloucester Road

  4. 4

    Turn right onto Olde Towne Road

    1525 ft · 59 sec · Olde Towne Road

  5. 5

    Turn left onto Penn Waller Road

    1.4 km · 2 min · Penn Waller Road

  6. 6

    Turn left onto Johnny Mercer Boulevard

    3.5 mi · 6 min · Johnny Mercer Boulevard

  7. 7

    Turn left

    3.5 mi · 5 min

  8. 8

    Turn right onto Bee Road

    1770 ft · 42 sec · Bee Road

  9. 9

    Turn left onto East 37th Street

    2.2 mi · 4 min · East 37th Street

  10. 10

    Turn slight right

    140 m · 10 sec

  11. 11

    Take the ramp straight

    3120 ft · 1 min

  12. 12

    Merge slight right onto Jim Gillis Historic Savannah Parkway

    163.6 mi · 2 hr 56 min · Jim Gillis Historic Savannah Parkway

  13. 13

    Continue on Fall Line Freeway

    2560 ft · 40 sec · Fall Line Freeway

  14. 14

    Keep slight right to continue on I 75 North: Atlanta

    2746 ft · 43 sec

  15. 15

    Merge slight left

    62.1 mi · 1 hr 7 min

  16. 16

    Keep slight left to continue on I 75 North: Atlanta, Birmingham

    22.8 mi · 28 min

  17. 17

    Keep slight right to continue on Horace E Tate Freeway

    7.2 mi · 9 min · Horace E Tate Freeway

  18. 18

    Continue on Larry McDonald Memorial Highway

    7 mi · 8 min · Larry McDonald Memorial Highway

  19. 19

    Take the exit slight right toward GA 120 Alternate: North Marietta Parkway

    2101 ft · 31 sec

  20. 20

    Turn left onto North Marietta Parkway

    1.8 mi · 4 min · North Marietta Parkway

  21. 21

    Turn left onto Church Street

    2145 ft · 59 sec · Church Street

  22. 22

    Arrive at your destination

    0 m · 1 sec · West Park Square

Car Route Details

A richer read on the saved driving route between Wilmington Island and Marietta.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
22 steps
11 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
7.9 / 100 mi
Decision points by distance
Main Roads
Jim Gillis Historic Savannah Parkway
164 mi · 59%
I 75 North
85.4 mi · 31%
Horace E Tate Freeway
7.23 mi · 3%
Larry McDonald Memorial Highway
6.99 mi · 3%
Johnny Mercer Boulevard
3.53 mi · 1%
East 37th Street
2.75 mi · 1%
Longest Stretch

Jim Gillis Historic Savannah Parkway

Merge slight right onto Jim Gillis Historic Savannah Parkway

164 mi · 02h 56m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
04h 40m
Long day trip
Same-Day Return
09h 22m
Round-trip wheel time
Road vs Air
+31.1 mi
247.2 mi direct line
Halfway Stop
Montrose
02h 20m from Wilmington Island
Leave By
7:38 AM EDT
Early departure recommended
Weather Watch

Showers And Thunderstorms leaving Wilmington Island and Showers And Thunderstorms Likely near Marietta.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Wilmington Island to Marietta?

The road trip is about 278.3 miles (447.9 km) and usually takes 04h 40m 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?

Montrose is a useful midpoint, sitting about 138.9 miles from Wilmington Island and 139.4 miles from Marietta.

How much longer is the road route than the straight-line distance?

The direct path is about 247.2 miles (397.8 km), while the road route adds roughly 31.1 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 7:38 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $38.90 one way or $77.79 round trip. Estimated CO2 is about 87.3 kg one way.

What should you check before leaving?

Before you leave, expect Showers And Thunderstorms around Wilmington Island and Showers And Thunderstorms Likely near Marietta.

Flight Path Map

This map shows the direct air route between Wilmington Island and Marietta. Straight-line distance: 247.16 mi (397.76 km).

Wilmington Island

#1 Wilmington Island

Census-designated place in Chatham County, Georgia

Population15,138
Coordinates32.0035500, -80.9737200
Altitude3
CountryUnited States
Marietta

#2 Marietta

The most populous city in Cobb County, Georgia.

Population60,786
Coordinates33.9526000, -84.5499300
Altitude344
CountryUnited States
Start: Wigmore Court (-80.973543, 32.003484)
End: West Park Square (-84.550173, 33.952601)

Estimated Travel Time

Distance: 448 km by road

SpeedTime
30 mph (48.3 km/h)09h 16m
40 mph (64.37 km/h)06h 57m
50 mph (80.47 km/h)05h 33m
60 mph (96.56 km/h)04h 38m
70 mph (112.65 km/h)03h 58m
80 mph (129 km/h)03h 28m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.82 gal
37.18 L · about $38.90
Round trip
$77.79
19.64 gal · 74.36 L
Estimated CO2
87.3 kg one way
Round trip: 174.5 kg / 385 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $38.90 $77.79
Mid-grade $4.43 $43.49 $86.99
Premium $4.78 $46.92 $93.84
Diesel $5.62 $55.23 $110.46

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 · May 30, 2026

There is no time difference between Wilmington Island and Marietta. The current time is 09:22:21.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.