How far is Saint Simons Island, GA from Alpharetta, GA?
The driving distance from Saint Simons Island, GA to Alpharetta, GA is about 342.6 miles (551.4 km), with a travel time of about 05h 34m by car.
- The straight-line flight distance is about 264.2 miles (425.2 km).
- For a round trip, plan for roughly 11h 09m 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 34m.
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.
City in Laurens County, Georgia, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Showers And Thunderstorms
Chance Rain Showers then Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Saint Simons Island and Alpharetta.
Turn-by-Turn Driving Directions
Step-by-step road directions between Saint Simons Island and Alpharetta.
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1
Start on 8th Street
42 m · 11 sec · 8th Street
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2
Turn left onto Bruce Drive
1923 ft · 1 min · Bruce Drive
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3
Turn right onto 1st Street
110 m · 16 sec · 1st Street
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4
Enter the roundabout and take exit 2 toward East Beach Causeway
19 m · 2 sec · East Beach Causeway
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5
Exit the roundabout onto East Beach Causeway
2169 ft · 60 sec · East Beach Causeway
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6
Enter the roundabout and take exit 1 toward Demere Road
16 m · 1 sec · Demere Road
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7
Exit the roundabout onto Demere Road
1 mi · 2 min · Demere Road
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8
Enter the roundabout and take exit 2 toward Demere Road
61 m · 4 sec · Demere Road
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9
Exit the roundabout onto Demere Road
1.3 mi · 2 min · Demere Road
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10
Keep slight right
1046 ft · 20 sec
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11
Continue on F. J. Torras Causeway
2.1 mi · 3 min · F. J. Torras Causeway
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12
Continue on Fernando Joseph Torras Causeway
2 mi · 3 min · Fernando Joseph Torras Causeway
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13
Turn right onto Glynn Avenue
1.6 mi · 3 min · Glynn Avenue
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14
Continue on Golden Isles Parkway
4.3 mi · 7 min · Golden Isles Parkway
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15
Take the exit slight right toward I 95 North: I 95 North
2923 ft · 1 min
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16
Merge slight left
60 mi · 1 hr 5 min
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17
Keep slight right
3075 ft · 48 sec
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18
Take the exit slight right toward I 16 West: Macon
1192 ft · 51 sec
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19
Merge slight left onto Jim Gillis Historic Savannah Parkway
155.9 mi · 2 hr 47 min · Jim Gillis Historic Savannah Parkway
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20
Continue on Fall Line Freeway
2560 ft · 40 sec · Fall Line Freeway
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21
Keep slight right to continue on I 75 North: Atlanta
2746 ft · 43 sec
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22
Merge slight left
62.1 mi · 1 hr 7 min
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23
Keep slight left to continue on I 75 North: Atlanta, Birmingham
22.8 mi · 28 min
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24
Keep slight left to continue on Northeast Expressway
2.7 mi · 4 min · Northeast Expressway
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25
Keep slight right to continue on T Harvey Mathis Parkway
7.1 mi · 9 min · T Harvey Mathis Parkway
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26
Continue on Turner McDonald Parkway
11 mi · 14 min · Turner McDonald Parkway
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27
Take the exit slight right toward Alpharetta, Haynes Bridge Road
1424 ft · 33 sec
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28
Turn left onto Haynes Bridge Road
1.3 mi · 2 min · Haynes Bridge Road
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29
Turn left onto Old Milton Parkway
869 ft · 21 sec · Old Milton Parkway
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30
Turn right onto South Main Street
1764 ft · 53 sec · South Main Street
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31
Turn right onto Academy Street
42 m · 4 sec · Academy Street
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32
Arrive at your destination
0 m · 1 sec · Academy Street
Car Route Details
A richer read on the saved driving route between Saint Simons Island and Alpharetta.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
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.
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.
Slight Chance Showers And Thunderstorms leaving Saint Simons Island and Chance Rain Showers then Chance Showers And Thunderstorms near Alpharetta.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Saint Simons Island to Alpharetta?
The road trip is about 342.6 miles (551.4 km) and usually takes 05h 34m 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?
East Dublin is a useful midpoint, sitting about 169.7 miles from Saint Simons Island and 173 miles from Alpharetta.
How much longer is the road route than the straight-line distance?
The direct path is about 264.2 miles (425.2 km), while the road route adds roughly 78.4 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 5:50 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $47.89 one way or $95.78 round trip. Estimated CO2 is about 107.4 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 Alpharetta.
Flight Path Map
This map shows the direct air route between Saint Simons Island and Alpharetta. Straight-line distance: 264.19 mi (425.17 km).
#1 Saint Simons Island
Saint Simons Island is a place in Georgia, United States.
| Population | 0 |
| Coordinates | 31.1505100, -81.3695400 |
| Altitude | 2 |
| Country | United States |
#2 Alpharetta
The most populous city in Fulton County, Georgia.
| Population | 67,897 |
| Coordinates | 34.0753800, -84.2940900 |
| Altitude | 347 |
| Country | United States |
End: Academy Street (-84.29408, 34.075615)
Estimated Travel Time
Distance: 551 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 11h 24m |
| 40 mph (64.37 km/h) | 08h 33m |
| 50 mph (80.47 km/h) | 06h 51m |
| 60 mph (96.56 km/h) | 05h 42m |
| 70 mph (112.65 km/h) | 04h 53m |
| 80 mph (129 km/h) | 04h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $47.89 | $95.78 |
| Mid-grade | $4.43 | $53.55 | $107.09 |
| Premium | $4.78 | $57.77 | $115.53 |
| Diesel | $5.62 | $67.99 | $135.99 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.