Augusta, GA to St. Marys, GA is 229.2 miles and takes about 4h 29m via I 95, US 25, and Jim Gillis Historic Savannah Parkway, with a fuel budget near $35 and enough daylight to finish in a day. This trip stays within Georgia, connecting two points in the Southeast region. The drive is primarily on highways, making it a straightforward option for a single-day excursion. Expect a practical, efficient transit between these two Peach State locations.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
114.6 miles from Augusta, GA
A natural place for your longest stop of the day
, about 2h 21m into the drive
.
Main Roads
Road
Distance
Duration
I 95
94.5 mi
1h 41m
US 25
44.6 mi
51m
Jim Gillis Historic Savannah Parkway
30.4 mi
32m
Peach Orchard Road
23.7 mi
29m
Highway 67
8.4 mi
11m
Veterans Memorial Parkway
7.3 mi
10m
Kingsland Saint Marys Road
3 mi
4m
Osborne Road
3 mi
4m
Longest stretch:
I 95
— 94.5 mi, about 1h 41m
Traffic on I-95
Hour-of-day weekday pattern from 14 FHWA count stations on your route.
Peak
noon
~2,253 veh/hr typical
· worst 3,575
Quietest
2 AM
~287 veh/hr
Peak-to-quiet ratio
7.9×
busier at peak than in the quiet hours
12a6anoon6p11p
Averaged across 52 weeks of 2023 FHWA Travel Monitoring Analysis System data. Weekday hours only (Mon–Fri).
Turn-by-Turn Driving Directions
Step-by-step road directions between Augusta, GA and St. Marys, GA.
1
Start on Walton Way
0.8 mi·1 min·Walton Way
2
Turn left onto 15th Street
2.0 mi·3 min·15th Street
Use the left lane.
3
Turn straight onto GA 4
0.6 mi·1 min·Milledgeville Road
4
Turn left onto Tubman Home Road
0.9 mi·2 min·Tubman Home Road
5
Turn right onto US 25; GA 121
6.6 mi·9 min·Peach Orchard Road
6
Continue on US 25; GA 121; I 3 FUT
0.3 mi·21 sec·Nellie Drive
7
Continue on US 25; GA 121; I 3 FUT
17 mi·20 min·Peach Orchard Road
8
Turn right onto US 25; GA 121
2.1 mi·3 min·Liberty Street
9
Turn right onto US 25; GA 121
1.8 mi·2 min·US 25; GA 121
10
At end of road, turn left onto US 25; GA 121; I 3 FUT
20 mi·22 min·US 25; GA 121; I 3 FUT
11
Continue on US 25/GA 23-67-121
1.3 mi·1 min·US 25/GA 23-67-121
12
Continue on US 25; GA 67; GA 121
18 mi·20 min·US 25; GA 67; GA 121
13
Continue on US 25; US 80; GA 26; GA 67
4.4 mi·5 min·US 25; US 80; GA 26; GA 67
14
Turn right onto US 25 Bypass
7.3 mi·10 min·Veterans Memorial Parkway
15
Take the exit
231 ft·6 sec
16
Turn slight right onto GA 67
8.4 mi·11 min·Highway 67
17
Continue on GA 67
2.8 mi·4 min·GA 67
18
Take the ramp
0.2 mi·31 sec
Toward I 16 East: Savannah
19
Merge onto I 16
30 mi·32 min·Jim Gillis Historic Savannah Parkway
20
Take the exit
0.5 mi·31 sec
Toward I 95 South: Brunswick, Jacksonville
21
Merge onto I 95
95 mi·1 hr 41 min·I 95
22
Take the exit
0.3 mi·42 sec
Exit 3Toward GA 40: Kingsland, St Marys
23
Turn left onto GA 40
2.5 mi·4 min·East King Avenue
Use the left lane.
24
Continue on GA 40
3.0 mi·4 min·Kingsland Saint Marys Road
25
Continue on GA 40
3.0 mi·4 min·Osborne Road
26
Turn right onto 41703
77 ft·3 sec·West Hall Street
27
Arrive at destination
41703
Trip Plan
Given the 4-hour 29-minute estimated drive time, leaving Augusta in the morning allows ample time to reach St. Marys before evening. With only one recommended stop, you have flexibility in pacing your journey. Keep an eye on your fuel levels, as the $35 estimated cost suggests you'll want to refuel strategically, especially before embarking on the longest 94.5-mile stretch on I 95. Since this is a manageable one-day drive, you can depart when convenient and adjust your arrival time based on your progress.
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 114.6 miles from Augusta, GA, or about 2h 21m into the drive.
The longest continuous stretch on this route runs about 94.5 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 50 miles or 1h 3m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 114.6 miles or 2h 21m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 3h 40m
Traffic, exits, and arrival timing usually matter more near St. Marys, GA than in the middle of the route.
Before You Leave
+
Open the route before leaving Augusta, GA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Augusta, GA
This is one driving day of about 229.2 miles and 4h 29m.
Your first comfortable stop window is around 50 miles from Augusta, GA.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on I 95 for about 94.5 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Place data sourced from public business listings. Hours and availability may vary.
Heads-up: tricky spots
5 of 15
5 decision points cluster between mile 0.8 and 220.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
4
0.8 mi into trip|~1m in|15th Street
Turn left onto 15th Street
Lane positioning matters here
Use the left lane.
4
3.3 mi into trip|~5m in|Tubman Home Road
Turn left onto Tubman Home Road
Navigation decision point
5
94.7 mi into trip|~2h in
Take the ramp toward I 16 East: Savannah
Navigation decision point
Toward I 16 East: Savannah
5
125.3 mi into trip|~2h 33m in
Take the exit toward I 95 South: Brunswick, Jacksonville
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Toward I 95 South: Brunswick, Jacksonville
6
220.3 mi into trip|~4h 15m in
Take the exit toward GA 40: Kingsland, St Marys
Exit ramp - move to the correct lane early. Multiple destination signs - pick the right one
Exit 3
Toward GA 40: Kingsland, St Marys
Fuel & Cost
Regular Gas
$33.84 one way
$67.68 round trip
$3.75/gal25.4 MPG avg80 kg CO2
Fuel Type
$/gal
One Way
Round Trip
midgrade
$4.12
$37.19
$74.37
premium
$4.49
$40.53
$81.07
diesel
$4.80
$43.28
$86.55
No toll roads detected on this route.
Estimated Trip Cost (one way, 1 person)
Fuel
$34
Meals
$25–$50
Total
$59–$84
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 80.2 kg one way.
Prices: EIA weekly data, 2026-07-13.
Driving Electric?
About $24 in charging
· 0 stops
· 66% less CO2
Vehicle Type
kWh
Stops
DC Fast
Home Charge
Average EV
68.8
0
$24.07
$11.00
Efficient EV
57.3
0
$20.06
$9.17
EV Truck/SUV
91.7
1
$32.09
$14.67
Gas CO2
80 kg
EV CO2
27 kg (66% less)
Plan for 0 charging stops, roughly every 270 miles. Allow 25-40 minutes per stop at a DC fast charger.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Forecast as of Jul 18, 2026
Origin
Augusta, GA
Late night
in Augusta on Sunday
Local time
4:15 AM
EDT
Current temp
96°F
Mostly Sunny then Chance Showers And Thunderstorms
S 1 to 7 mph29% chanceLive forecast
Heat Advisory
Heat Advisory issued July 18 at 11:36AM EDT until July 18 at 8:00PM EDT by NWS Charleston SC
Heat Advisory
Heat Advisory issued July 18 at 2:14AM EDT until July 18 at 8:00PM EDT by NWS Columbia SC
Destination
St. Marys, GA
Late night
in St. Marys on Sunday
Local time
4:15 AM
EDT
Current temp
92°F
Sunny
S 8 to 12 mph14% chanceLive forecast
Heat Advisory
Heat Advisory issued July 18 at 11:36AM EDT until July 18 at 8:00PM EDT by NWS Charleston SC
Heat Advisory
Heat Advisory issued July 18 at 2:14AM EDT until July 18 at 8:00PM EDT by NWS Columbia SC
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
4 degrees cooler at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
4h 29m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Fort Frederica National Monument
National Monument
War was imminent as James Oglethorpe established Fort Frederica in 1736, to help protect the British colonies from the Spanish in Florida. Fort Frederica illustrates the story of the War of Jenkins Ea...
8 mi from route
~19 min detour
Free
near mile 181.8
St Marys is the gateway to Cumberland Island, Georgia's largest and southernmost barrier island. Here pristine maritime forests, undeveloped beaches and wide marshes whisper the stories of both man an...
10 mi from route
~26 min detour
$15
near mile 229.2
For much of the 19th century, masonry fortifications were the United States’ main defense against overseas enemies. However, during the Civil War, new technology proved its superiority over these fort...
19 mi from route
~47 min detour
$10
near mile 126.5
Park data from the National Park Service API. Alerts update every 2 hours.
More Details
What kind of drive is this?
This route is mostly highway, with 83% of the drive utilizing major roadways. You'll experience a continuous stretch of 94.5 miles on I 95, indicating a significant portion of the trip is at higher speeds with fewer exits. As the highway portion concludes, you'll transition to surface roads like US 25 and the Jim Gillis Historic Savannah Parkway, which will offer a change of pace with potentially more local traffic and varied speed limits.
83% highway — fuel and pacing are the main things to plan.
27 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 94.5 mi on I 95.
How Hard Is This Drive?
4/10
This is a straightforward highway drive that stays mostly on I 95 and US 25. There are only a few real navigation decisions along the way. The trickiest moment comes around 0.8 miles in near 15th Street.
Driving Effort4/10
Easy - simple navigation with a manageable amount of wheel time
Balances navigation complexity with total wheel time.
This is a straightforward 4h 29m drive. You will face about 15 decision points, but nothing that requires special attention if you follow navigation.
Where does it get tricky?
The main spots that need attention: at 0.8 miles (15th Street): Lane positioning matters here; at 3.3 miles (Tubman Home Road): Navigation decision point; at 94.7 miles: Navigation decision point.
Elevation Profile
Mostly flat terrain
309 ft10 ft
Total Climb
268 ft
Total Descent
399 ft
Highest Point
309 ft
~32.7 mi in
Elevation Range
299 ft
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
On the drive from Augusta, GA to St. Marys, GA, road signs begin pointing toward Jacksonville along the way.
Augusta is a city in Georgia's Classic Heartland. Due to its location inland on the Savannah River, Augusta was a city of major strategic importance by the end of the Civil War. It was spared most of the destruction of many other southern cities, so there are many old buildings and landmarks. Augusta is also home to the Augusta National Golf Club, one of the world's most prestigious and exclusive golf clubs, which plays host to the Masters golf tournament.
Top landmarks
•Augusta National Golf Club — golf course in Georgia, United States
•Augusta Canal — canal in Augusta, Georgia, United States of America
•Morris Museum of Art — museum in Augusta, Georgia, USA
The longest stretch is about 94.5 miles on I 95. The full list of main roads is in the Roads section above.
Yes — we found about 23 rest areas or service plazas within a short detour of the route (from OpenStreetMap). See the Rest Stops tab under Nearby Places for locations and mile markers. Plan to stretch, use the bathroom, and top off fluids every 2–3 hours on longer drives.
Yes, with realistic expectations. Build in a stop roughly every 2 hours, have snacks and activities ready, and check the Nearby Places tabs for kid-friendly stops along the way.
The main spots that need attention: at 0.8 miles (15th Street): Lane positioning matters here; at 3.3 miles (Tubman Home Road): Navigation decision point; at 94.7 miles: Navigation decision point.
Yes — Fort Frederica National Monument, Cumberland Island National Seashore and Fort Pulaski National Monument. See the National Parks section for detour distances and tips on detours.
Possible but tiring. At 4.5 hours each way, an in-and-out day trip would put you behind the wheel for 9.0 hours — manageable with a long break at St. Marys, GA, but most travelers stay overnight.
