How far is Marietta, GA from Fort Oglethorpe, GA?
The driving distance from Marietta, GA to Fort Oglethorpe, GA is about 92.9 miles (149.5 km), with a travel time of about 01h 45m by car.
- The straight-line flight distance is about 79.8 miles (128.4 km).
- For a round trip, plan for roughly 03h 31m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 01h 45m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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 Gordon County, Georgia, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Marietta and Fort Oglethorpe.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marietta and Fort Oglethorpe.
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1
Start on West Park Square
36 m · 11 sec · West Park Square
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2
Continue on South Park Square
105 m · 14 sec · South Park Square
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3
Continue on East Park Square
102 m · 11 sec · East Park Square
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4
Continue on Cherokee Street
1.2 mi · 3 min · Cherokee Street
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5
Turn straight onto Church Street Northwest
950 ft · 27 sec · Church Street Northwest
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6
Continue on Canton Road Connector
1715 ft · 31 sec · Canton Road Connector
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7
Take the exit slight right toward I 75, GA 5: Atlanta, Chattanooga
1787 ft · 28 sec
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8
Keep slight right to continue on I 75, GA 5: Atlanta, Chattanooga
1134 ft · 17 sec
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9
Keep slight left to continue on I 75 North: Chattanooga
1.4 km · 1 min
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10
Merge slight left onto Larry McDonald Memorial Highway
1 km · 44 sec · Larry McDonald Memorial Highway
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11
Keep slight left to continue on Larry McDonald Memorial Highway
81.7 mi · 1 hr 28 min · Larry McDonald Memorial Highway
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12
Take the exit slight right toward GA 2: Battlefield Parkway, Fort Oglethorpe
1459 ft · 38 sec
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13
Merge slight right onto Battlefield Parkway
6.4 mi · 8 min · Battlefield Parkway
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14
Turn left onto Lafayette Road
1976 ft · 48 sec · Lafayette Road
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15
Continue on Lafayette Highway
151 m · 19 sec · Lafayette Highway
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16
Turn left onto Forrest Road
152 m · 24 sec · Forrest Road
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17
Turn left
65 m · 16 sec
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18
Arrive at your destination
0 m · 1 sec
Car Route Details
A richer read on the saved driving route between Marietta and Fort Oglethorpe.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Larry McDonald Memorial Highway
Keep slight left to continue on Larry McDonald Memorial Highway
81.7 mi · 01h 28m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Sunny leaving Marietta and Sunny then Slight Chance Rain Showers near Fort Oglethorpe.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Marietta to Fort Oglethorpe?
The road trip is about 92.9 miles (149.5 km) and usually takes 01h 45m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Calhoun is a useful midpoint, sitting about 46.5 miles from Marietta and 46.4 miles from Fort Oglethorpe.
How much longer is the road route than the straight-line distance?
The direct path is about 79.8 miles (128.4 km), while the road route adds roughly 13.1 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 2:58 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.99 one way or $25.98 round trip. Estimated CO2 is about 29.1 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Marietta and Sunny then Slight Chance Rain Showers near Fort Oglethorpe.
Stop Ideas Near Calhoun
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 Calhoun.
Peachtree Station
Gainesville
Flight Path Map
This map shows the direct air route between Marietta and Fort Oglethorpe. Straight-line distance: 79.76 mi (128.36 km).
#1 Marietta
The most populous city in Cobb County, Georgia.
| Population | 60,786 |
| Coordinates | 33.9526000, -84.5499300 |
| Altitude | 344 |
| Country | United States |
#2 Fort Oglethorpe
City in Catoosa and Walker Counties, Georgia, United States
| Population | 9,973 |
| Coordinates | 34.9489600, -85.2569000 |
| Altitude | 223 |
| Country | United States |
End: Fort Oglethorpe (-85.2569, 34.94896)
Estimated Travel Time
Distance: 150 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 05m |
| 40 mph (64.37 km/h) | 02h 19m |
| 50 mph (80.47 km/h) | 01h 51m |
| 60 mph (96.56 km/h) | 01h 32m |
| 70 mph (112.65 km/h) | 01h 19m |
| 80 mph (129 km/h) | 01h 09m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $12.99 | $25.98 |
| Mid-grade | $4.43 | $14.53 | $29.05 |
| Premium | $4.78 | $15.67 | $31.34 |
| Diesel | $5.62 | $18.45 | $36.89 |
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 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.