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

The driving distance from Smyrna, GA to Fort Oglethorpe, GA is about 175.1 miles (281.8 km), with a travel time of about 03h 19m by car.

  • The straight-line flight distance is about 141.1 miles (227 km).
  • For a round trip, plan for roughly 06h 39m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
175.08 mi
03h 19m
Flight
141.03 mi
226.97 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Smyrna.

Flight Distance

Direct air line
141.03 mi
Kilometers
226.97 km
Flight Time
00h 17m

Driving Distance

Road route
175.08 mi
Kilometers
281.77 km
Drive Time
03h 19m

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 03h 19m.

Arrival Snapshot
Arrive in Fort Oglethorpe
Sat, Apr 18, 8:38 AM EDT
Return by in Smyrna
Sat, Apr 18, 11:57 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Smyrna
2026-04-18T05:18
Arrive Fort Oglethorpe
Sat, Apr 18, 8:38 AM EDT
Route Timing
03h 19m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
9:20 AM to 11:20 AM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
10:20 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Smyrna
9:00 PM EDT
Early departure recommended

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
Kennesaw
GA

City in Cobb County, Georgia, United States

From Smyrna
87.6 mi
01h 39m
To Fort Oglethorpe
87.6 mi
01h 39m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
91°F
Saturday

Mostly Sunny

Starts
Sat, Apr 18 6:00 AM EDT
Wind
0 to 5 mph SW
Destination
86°F
Saturday

Mostly Sunny

Starts
Sat, Apr 18 6:00 AM EDT
Wind
0 to 10 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Buckhead Road

    31 m · 7 sec · Buckhead Road

  2. 2

    Turn left onto Greensboro Road

    3 mi · 4 min · Greensboro Road

  3. 3

    Turn left onto Madison Bypass

    4.2 mi · 6 min · Madison Bypass

  4. 4

    Continue on Eatonton Road

    3165 ft · 1 min · Eatonton Road

  5. 5

    Take the exit right toward I 20 West: Atlanta

    2122 ft · 26 sec

  6. 6

    Continue on Purple Heart Highway

    46.9 mi · 50 min · Purple Heart Highway

  7. 7

    Continue on Ralph David Abernathy Freeway

    9.1 mi · 11 min · Ralph David Abernathy Freeway

  8. 8

    Take the exit slight right toward Hill Street, Turner Field

    1410 ft · 35 sec

  9. 9

    At the end of the road, turn right onto Hill Street Southeast

    1209 ft · 42 sec · Hill Street Southeast

  10. 10

    Turn left onto Martin Luther King Jr. Drive Southeast

    1327 ft · 29 sec · Martin Luther King Jr. Drive Southeast

  11. 11

    Take the ramp right toward I 75 North, I 85 North

    1168 ft · 28 sec

  12. 12

    Merge slight left onto Downtown Connector

    3.1 mi · 4 min · Downtown Connector

  13. 13

    Keep slight right to continue on Horace E Tate Freeway

    7.2 mi · 9 min · Horace E Tate Freeway

  14. 14

    Continue on Larry McDonald Memorial Highway

    10.5 mi · 12 min · Larry McDonald Memorial Highway

  15. 15

    Keep slight left to continue on Larry McDonald Memorial Highway

    81.7 mi · 1 hr 28 min · Larry McDonald Memorial Highway

  16. 16

    Take the exit slight right toward GA 2: Battlefield Parkway, Fort Oglethorpe

    1459 ft · 38 sec

  17. 17

    Merge slight right onto Battlefield Parkway

    6.4 mi · 8 min · Battlefield Parkway

  18. 18

    Turn left onto Lafayette Road

    1976 ft · 48 sec · Lafayette Road

  19. 19

    Continue on Lafayette Highway

    151 m · 19 sec · Lafayette Highway

  20. 20

    Turn left onto Forrest Road

    152 m · 24 sec · Forrest Road

  21. 21

    Turn left

    65 m · 16 sec

  22. 22

    Arrive at your destination

    0 m · 1 sec

Car Route Details

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

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
22 steps
8 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
12.6 / 100 mi
Decision points by distance
Main Roads
Larry McDonald Memorial Highway
92.2 mi · 53%
Purple Heart Highway
46.9 mi · 27%
Ralph David Abernathy Freeway
9.11 mi · 5%
Horace E Tate Freeway
7.23 mi · 4%
Battlefield Parkway
6.44 mi · 4%
Madison Bypass
4.21 mi · 2%
Longest Stretch

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.

Trip Read

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.

Drive Time
03h 19m
Long day trip
Same-Day Return
06h 40m
Round-trip wheel time
Road vs Air
+34 mi
141.1 mi direct line
Halfway Stop
Kennesaw
01h 39m from Smyrna
Leave By
10:20 AM EDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Smyrna and Mostly Sunny near Fort Oglethorpe.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 175.1 miles (281.8 km) and usually takes 03h 19m 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?

Kennesaw is a useful midpoint, sitting about 87.6 miles from Smyrna and 87.6 miles from Fort Oglethorpe.

How much longer is the road route than the straight-line distance?

The direct path is about 141.1 miles (227 km), while the road route adds roughly 34 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 10:20 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $24.48 one way or $48.96 round trip. Estimated CO2 is about 54.9 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Smyrna and Mostly Sunny near Fort Oglethorpe.

Stop Ideas Near Kennesaw

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Kennesaw and the surrounding midpoint area.
Stop photo coming soon
Scenic stop 4.3 mi away

City Hall Parking Deck

Marietta , GA
211 Lawrence St NE, Marietta, GA 30060
Rating 3.0/5 1 reviews Parking garage
Sandy Springs City Hall
Meeting point 12.4 mi away

Sandy Springs City Hall

Sandy Springs , GA
1 Galambos Way, Sandy Springs, GA 30328
Rating 4.3/5 24 reviews City Hall,City government office
Stop photo coming soon
Scenic stop 12 mi away

Parking near City Hall and Cultural Arts Center

Roswell , GA
38 Hill St, Roswell, GA 30075
Parking lot

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Kennesaw.

RAIL

Peachtree Station

32 mi away
1688 Peachtree Street, NW
RAIL

Gainesville

78 mi away
116 Industrial Boulevard

Flight Path Map

This map shows the direct air route between Smyrna and Fort Oglethorpe. Straight-line distance: 141.03 mi (226.97 km).

Smyrna

#1 Smyrna

The most populous city in Cobb County, Georgia.

Population56,443
Coordinates33.5981800, -83.4048900
Altitude188
CountryUnited States
Fort Oglethorpe

#2 Fort Oglethorpe

City in Catoosa and Walker Counties, Georgia, United States

Population9,973
Coordinates34.9489600, -85.2569000
Altitude223
CountryUnited States
Start: Smyrna (-83.40489, 33.59818)
End: Fort Oglethorpe (-85.2569, 34.94896)

Estimated Travel Time

Distance: 282 km by road

SpeedTime
30 mph (48.3 km/h)05h 50m
40 mph (64.37 km/h)04h 22m
50 mph (80.47 km/h)03h 30m
60 mph (96.56 km/h)02h 55m
70 mph (112.65 km/h)02h 30m
80 mph (129 km/h)02h 11m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.18 gal
23.39 L · about $24.48
Round trip
$48.96
12.36 gal · 46.78 L
Estimated CO2
54.9 kg one way
Round trip: 109.8 kg / 242 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $24.48 $48.96
Mid-grade $4.43 $27.37 $54.74
Premium $4.78 $29.53 $59.06
Diesel $5.62 $34.76 $69.51

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 18, 2026

There is no time difference between Smyrna and Fort Oglethorpe. The current time is 05:18:19.

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.