How far is Fort Oglethorpe, GA from Marietta, GA?

The driving distance from Fort Oglethorpe, GA to Marietta, GA is about 91.9 miles (147.9 km), with a travel time of about 01h 33m by car.

  • The straight-line flight distance is about 79.8 miles (128.4 km).
  • For a round trip, plan for roughly 03h 06m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
91.91 mi
01h 33m
Flight
79.76 mi
128.36 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Fort Oglethorpe.

Flight Distance

Direct air line
79.76 mi
Kilometers
128.36 km
Flight Time
00h 09m

Driving Distance

Road route
91.91 mi
Kilometers
147.92 km
Drive Time
01h 33m

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 33m.

Arrival Snapshot
Arrive in Marietta
Thu, Apr 16, 3:35 AM EDT
Return by in Fort Oglethorpe
Thu, Apr 16, 5:08 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Fort Oglethorpe
2026-04-16T02:02
Arrive Marietta
Thu, Apr 16, 3:35 AM EDT
Route Timing
01h 33m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:33 AM to 11:33 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
3:24 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Fort Oglethorpe
9:30 PM EDT
Morning start is best

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
Calhoun
GA

City in Gordon County, Georgia, United States

From Fort Oglethorpe
46.1 mi
00h 46m
To Marietta
45.8 mi
00h 46m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Thursday

Sunny then Slight Chance Rain Showers

Starts
Thu, Apr 16 6:00 AM EDT
Wind
5 to 10 mph SW
Destination
86°F
Thursday

Sunny

Starts
Thu, Apr 16 6:00 AM EDT
Wind
0 to 10 mph W

Driving Route Map

The map below follows the saved road route between Fort Oglethorpe and Marietta.

Turn-by-Turn Driving Directions

Step-by-step road directions between Fort Oglethorpe and Marietta.

  1. 1

    Start on the route

    19 m · 7 sec

  2. 2

    Turn right onto Stephenson Drive

    43 m · 8 sec · Stephenson Drive

  3. 3

    Turn right onto Forrest Road

    656 ft · 33 sec · Forrest Road

  4. 4

    Turn right onto Lafayette Highway

    151 m · 12 sec · Lafayette Highway

  5. 5

    Continue on Lafayette Road

    1791 ft · 44 sec · Lafayette Road

  6. 6

    Take the ramp slight right

    84 m · 8 sec

  7. 7

    Merge slight left onto Battlefield Parkway

    6.3 mi · 8 min · Battlefield Parkway

  8. 8

    Take the exit straight toward I 75 South

    1496 ft · 37 sec

  9. 9

    Merge slight left

    82.3 mi · 1 hr 29 min

  10. 10

    Take the exit slight right toward GA 5 Spur South: Marietta

    1 km · 53 sec

  11. 11

    Keep slight left to continue on Church Street, Marietta, Smyrna

    1054 ft · 26 sec

  12. 12

    Merge slight left onto Canton Road Connector

    1698 ft · 32 sec · Canton Road Connector

  13. 13

    Continue on Church Street Northwest

    2261 ft · 59 sec · Church Street Northwest

  14. 14

    Keep slight left to continue on Church Street Northwest

    149 m · 12 sec · Church Street Northwest

  15. 15

    Keep slight left to continue on Church Street Northwest

    1.4 km · 2 min · Church Street Northwest

  16. 16

    Arrive at your destination

    0 m · 1 sec · West Park Square

Car Route Details

A richer read on the saved driving route between Fort Oglethorpe and Marietta.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
16 steps
3 turns on the saved route
Ramps & Exits
6
3 merges, 3 ramps or exits
Navigation Density
17.4 / 100 mi
Decision points by distance
Main Roads
I 75 South
82.6 mi · 90%
Battlefield Parkway
6.28 mi · 7%
Church Street Northwest
1.41 mi · 2%
GA 5 Spur South
0.65 mi · 1%
Lafayette Road
0.39 mi
Canton Road Connector
0.32 mi
Longest Stretch

I 75 South

Merge slight left

82.3 mi · 01h 29m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 33m
Day trip friendly
Same-Day Return
03h 06m
Round-trip wheel time
Road vs Air
+12.1 mi
79.8 mi direct line
Halfway Stop
Calhoun
00h 46m from Fort Oglethorpe
Leave By
3:24 PM EDT
Morning start is best
Weather Watch

Sunny then Slight Chance Rain Showers leaving Fort Oglethorpe and Sunny near Marietta.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Fort Oglethorpe to Marietta?

The road trip is about 91.9 miles (147.9 km) and usually takes 01h 33m 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 46.1 miles from Fort Oglethorpe and 45.8 miles from Marietta.

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 12.1 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 3:24 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $12.83 one way or $25.67 round trip. Estimated CO2 is about 28.8 kg one way.

What should you check before leaving?

Before you leave, expect Sunny then Slight Chance Rain Showers around Fort Oglethorpe and Sunny near Marietta.

Stop Ideas Near Calhoun

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

Mid-route Guidance
Local place coverage is thin around Calhoun, 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 Calhoun.

RAIL

Peachtree Station

94 mi away
1688 Peachtree Street, NW
RAIL

Gainesville

106 mi away
116 Industrial Boulevard

Flight Path Map

This map shows the direct air route between Fort Oglethorpe and Marietta. Straight-line distance: 79.76 mi (128.36 km).

Fort Oglethorpe

#1 Fort Oglethorpe

City in Catoosa and Walker Counties, Georgia, United States

Population9,973
Coordinates34.9489600, -85.2569000
Altitude223
CountryUnited States
Marietta

#2 Marietta

The most populous city in Cobb County, Georgia.

Population60,786
Coordinates33.9526000, -84.5499300
Altitude344
CountryUnited States
Start: (-85.256899, 34.94896)
End: West Park Square (-84.550173, 33.952601)

Estimated Travel Time

Distance: 148 km by road

SpeedTime
30 mph (48.3 km/h)03h 03m
40 mph (64.37 km/h)02h 17m
50 mph (80.47 km/h)01h 50m
60 mph (96.56 km/h)01h 31m
70 mph (112.65 km/h)01h 18m
80 mph (129 km/h)01h 08m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.24 gal
12.28 L · about $12.83
Round trip
$25.67
6.48 gal · 24.56 L
Estimated CO2
28.8 kg one way
Round trip: 57.6 kg / 127 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $12.83 $25.67
Mid-grade $4.43 $14.35 $28.70
Premium $4.78 $15.48 $30.96
Diesel $5.62 $18.22 $36.44

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 16, 2026

There is no time difference between Fort Oglethorpe and Marietta. The current time is 02:02:20.

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.