How far is St. Marys, GA from Smyrna, GA?
The driving distance from St. Marys, GA to Smyrna, GA is about 275.7 miles (443.7 km), with a travel time of about 04h 59m by car.
- The straight-line flight distance is about 226 miles (363.7 km).
- For a round trip, plan for roughly 09h 58m 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 04h 59m.
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.
Town in Candler 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 St. Marys and Smyrna.
Turn-by-Turn Driving Directions
Step-by-step road directions between St. Marys and Smyrna.
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1
Start on West Hall Street
24 m · 9 sec · West Hall Street
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2
Turn left onto Osborne Street
3 mi · 5 min · Osborne Street
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3
Continue on Kingsland Saint Marys Road
3 mi · 5 min · Kingsland Saint Marys Road
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4
Continue on East King Avenue
2.2 mi · 3 min · East King Avenue
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5
Take the ramp slight right toward I 95 North: I 95 North
2798 ft · 1 min
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6
Merge slight left
94.3 mi · 1 hr 42 min
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7
Keep slight right
3075 ft · 48 sec
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8
Take the exit slight right toward I 16 West: Macon
1192 ft · 51 sec
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9
Merge slight left onto Jim Gillis Historic Savannah Parkway
103.2 mi · 1 hr 51 min · Jim Gillis Historic Savannah Parkway
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10
Take the exit slight right toward GA 19: Dublin, East Dublin
1813 ft · 46 sec
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11
Turn right onto Martin Luther King Jr Drive
1.3 mi · 2 min · Martin Luther King Jr Drive
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12
Continue on Glenwood Avenue
2 mi · 3 min · Glenwood Avenue
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13
Continue on South Jefferson Street
3.7 mi · 7 min · South Jefferson Street
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14
Continue straight
1.4 km · 1 min
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15
Turn straight
1.2 km · 1 min
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16
Turn right
44 mi · 55 min
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17
Turn left onto North Columbia Street
4.7 mi · 7 min · North Columbia Street
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18
Continue straight
11.3 mi · 15 min
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19
Continue on James Marshall Bypass
4.5 mi · 6 min · James Marshall Bypass
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20
Continue on Madison Road
3.8 mi · 5 min · Madison Road
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21
Continue on Madison Highway
1.5 mi · 2 min · Madison Highway
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22
Continue on Madison Road Highway
2587 ft · 40 sec · Madison Road Highway
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23
Continue on Madison Road
2.9 mi · 4 min · Madison Road
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24
Continue on Madison Highway
2.2 mi · 3 min · Madison Highway
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25
Continue straight
1.3 mi · 2 min
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26
Turn right onto Seven Islands Road
1.1 mi · 2 min · Seven Islands Road
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27
Turn left onto Bethany Church Road
2.6 mi · 4 min · Bethany Church Road
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28
Turn straight onto Bethany Road
3.7 mi · 5 min · Bethany Road
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29
Turn right onto Madison Bypass
2.6 mi · 4 min · Madison Bypass
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30
Turn right onto Greensboro Road
3 mi · 4 min · Greensboro Road
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31
Turn right onto Buckhead Road
31 m · 3 sec · Buckhead Road
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32
Arrive at your destination
0 m · 1 sec · Buckhead Road
Car Route Details
A richer read on the saved driving route between St. Marys 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.
Jim Gillis Historic Savannah Parkway
Merge slight left onto Jim Gillis Historic Savannah Parkway
103 mi · 01h 51m
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.
Sunny leaving St. Marys and Sunny near Smyrna.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from St. Marys to Smyrna?
The road trip is about 275.7 miles (443.7 km) and usually takes 04h 59m 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?
Pulaski is a useful midpoint, sitting about 153 miles from St. Marys and 122.7 miles from Smyrna.
How much longer is the road route than the straight-line distance?
The direct path is about 226 miles (363.7 km), while the road route adds roughly 49.7 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 7:02 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $38.54 one way or $77.08 round trip. Estimated CO2 is about 86.5 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around St. Marys and Sunny near Smyrna.
Stop Ideas Near Pulaski
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 Pulaski.
Savannah
Jesup
Yemassee
Flight Path Map
This map shows the direct air route between St. Marys and Smyrna. Straight-line distance: 225.98 mi (363.68 km).
#1 St. Marys
City in Camden County, Georgia, USA
| Population | 17,968 |
| Coordinates | 30.7305100, -81.5464900 |
| Altitude | 3 |
| 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: 444 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 11m |
| 40 mph (64.37 km/h) | 06h 53m |
| 50 mph (80.47 km/h) | 05h 30m |
| 60 mph (96.56 km/h) | 04h 35m |
| 70 mph (112.65 km/h) | 03h 56m |
| 80 mph (129 km/h) | 03h 26m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $38.54 | $77.08 |
| Mid-grade | $4.43 | $43.09 | $86.19 |
| Premium | $4.78 | $46.49 | $92.98 |
| Diesel | $5.62 | $54.72 | $109.44 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.