How far is Saint Simons Island, GA from Marietta, GA?

The driving distance from Saint Simons Island, GA to Marietta, GA is about 333.7 miles (537.1 km), with a travel time of about 05h 26m by car.

  • The straight-line flight distance is about 267.9 miles (431.2 km).
  • For a round trip, plan for roughly 10h 53m 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
333.73 mi
05h 26m
Flight
267.9 mi
431.15 km direct

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

Learn Distance

Choose another destination from Saint Simons Island.

Flight Distance

Direct air line
267.9 mi
Kilometers
431.15 km
Flight Time
00h 32m

Driving Distance

Road route
333.73 mi
Kilometers
537.09 km
Drive Time
05h 26m

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 26m.

Arrival Snapshot
Arrive in Marietta
Sun, May 31, 6:49 PM EDT
Return by in Saint Simons Island
Mon, Jun 1, 12:15 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Saint Simons Island
2026-05-31T13:22
Arrive Marietta
Sun, May 31, 6:49 PM EDT
Route Timing
05h 26m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
11:27 AM to 1:27 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
6:06 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Saint Simons 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
Soperton
GA

City in Treutlen County, Georgia, United States of America

From Saint Simons Island
166.7 mi
02h 43m
To Marietta
167 mi
02h 43m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
75°F
Overnight

Slight Chance Showers And Thunderstorms

Starts
Sun, May 31 1:00 AM EDT
Wind
5 mph W
Destination
75°F
Sunday

Chance Rain Showers then Chance Showers And Thunderstorms

Starts
Sun, May 31 6:00 AM EDT
Wind
5 to 15 mph E

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Saint Simons Island and Marietta.

  1. 1

    Start on 8th Street

    42 m · 11 sec · 8th Street

  2. 2

    Turn left onto Bruce Drive

    1923 ft · 1 min · Bruce Drive

  3. 3

    Turn right onto 1st Street

    110 m · 16 sec · 1st Street

  4. 4

    Enter the roundabout and take exit 2 toward East Beach Causeway

    19 m · 2 sec · East Beach Causeway

  5. 5

    Exit the roundabout onto East Beach Causeway

    2169 ft · 60 sec · East Beach Causeway

  6. 6

    Enter the roundabout and take exit 1 toward Demere Road

    16 m · 1 sec · Demere Road

  7. 7

    Exit the roundabout onto Demere Road

    1 mi · 2 min · Demere Road

  8. 8

    Enter the roundabout and take exit 2 toward Demere Road

    61 m · 4 sec · Demere Road

  9. 9

    Exit the roundabout onto Demere Road

    1.3 mi · 2 min · Demere Road

  10. 10

    Keep slight right

    1046 ft · 20 sec

  11. 11

    Continue on F. J. Torras Causeway

    2.1 mi · 3 min · F. J. Torras Causeway

  12. 12

    Continue on Fernando Joseph Torras Causeway

    2 mi · 3 min · Fernando Joseph Torras Causeway

  13. 13

    Turn right onto Glynn Avenue

    1.6 mi · 3 min · Glynn Avenue

  14. 14

    Continue on Golden Isles Parkway

    4.3 mi · 7 min · Golden Isles Parkway

  15. 15

    Take the exit slight right toward I 95 North: I 95 North

    2923 ft · 1 min

  16. 16

    Merge slight left

    60 mi · 1 hr 5 min

  17. 17

    Keep slight right

    3075 ft · 48 sec

  18. 18

    Take the exit slight right toward I 16 West: Macon

    1192 ft · 51 sec

  19. 19

    Merge slight left onto Jim Gillis Historic Savannah Parkway

    155.9 mi · 2 hr 47 min · Jim Gillis Historic Savannah Parkway

  20. 20

    Continue on Fall Line Freeway

    2560 ft · 40 sec · Fall Line Freeway

  21. 21

    Keep slight right to continue on I 75 North: Atlanta

    2746 ft · 43 sec

  22. 22

    Merge slight left

    62.1 mi · 1 hr 7 min

  23. 23

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

    22.8 mi · 28 min

  24. 24

    Keep slight right to continue on Horace E Tate Freeway

    7.2 mi · 9 min · Horace E Tate Freeway

  25. 25

    Continue on Larry McDonald Memorial Highway

    7 mi · 8 min · Larry McDonald Memorial Highway

  26. 26

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

    2101 ft · 31 sec

  27. 27

    Turn left onto North Marietta Parkway

    1.8 mi · 4 min · North Marietta Parkway

  28. 28

    Turn left onto Church Street

    2145 ft · 59 sec · Church Street

  29. 29

    Arrive at your destination

    0 m · 1 sec · West Park Square

Car Route Details

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

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
29 steps
11 turns on the saved route
Ramps & Exits
12
3 merges, 9 ramps or exits
Navigation Density
8.7 / 100 mi
Decision points by distance
Main Roads
Jim Gillis Historic Savannah Parkway
156 mi · 47%
I 75 North
85.4 mi · 26%
I 95 North
61.1 mi · 18%
Horace E Tate Freeway
7.23 mi · 2%
Larry McDonald Memorial Highway
6.99 mi · 2%
Golden Isles Parkway
4.26 mi · 1%
Longest Stretch

Jim Gillis Historic Savannah Parkway

Merge slight left onto Jim Gillis Historic Savannah Parkway

156 mi · 02h 47m

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
05h 26m
Long day trip
Same-Day Return
10h 54m
Round-trip wheel time
Road vs Air
+65.8 mi
267.9 mi direct line
Halfway Stop
Soperton
02h 43m from Saint Simons Island
Leave By
6:06 AM EDT
Early departure recommended
Weather Watch

Slight Chance Showers And Thunderstorms leaving Saint Simons Island and Chance Rain Showers then Chance Showers And Thunderstorms near Marietta.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Saint Simons Island to Marietta?

The road trip is about 333.7 miles (537.1 km) and usually takes 05h 26m 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?

Soperton is a useful midpoint, sitting about 166.7 miles from Saint Simons Island and 167 miles from Marietta.

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

The direct path is about 267.9 miles (431.2 km), while the road route adds roughly 65.8 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 6:06 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $46.66 one way or $93.32 round trip. Estimated CO2 is about 104.7 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Showers And Thunderstorms around Saint Simons Island and Chance Rain Showers then Chance Showers And Thunderstorms near Marietta.

Stop Ideas Near Soperton

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Soperton, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Soperton.

RAIL

Jesup

109 mi away
176 Northwest Broad Street

Flight Path Map

This map shows the direct air route between Saint Simons Island and Marietta. Straight-line distance: 267.9 mi (431.15 km).

Photo coming soon

#1 Saint Simons Island

Saint Simons Island is a place in Georgia, United States.

Population0
Coordinates31.1505100, -81.3695400
Altitude2
CountryUnited States
Marietta

#2 Marietta

The most populous city in Cobb County, Georgia.

Population60,786
Coordinates33.9526000, -84.5499300
Altitude344
CountryUnited States
Start: 8th Street (-81.369601, 31.150414)
End: West Park Square (-84.550173, 33.952601)

Estimated Travel Time

Distance: 537 km by road

SpeedTime
30 mph (48.3 km/h)11h 07m
40 mph (64.37 km/h)08h 20m
50 mph (80.47 km/h)06h 40m
60 mph (96.56 km/h)05h 33m
70 mph (112.65 km/h)04h 46m
80 mph (129 km/h)04h 09m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.78 gal
44.58 L · about $46.66
Round trip
$93.32
23.56 gal · 89.16 L
Estimated CO2
104.7 kg one way
Round trip: 209.4 kg / 462 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $46.66 $93.32
Mid-grade $4.43 $52.17 $104.35
Premium $4.78 $56.28 $112.57
Diesel $5.62 $66.25 $132.50

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 31, 2026

There is no time difference between Saint Simons Island and Marietta. The current time is 13:22:52.

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.