How far is Marietta, GA from Forest Park, GA?

The driving distance from Marietta, GA to Forest Park, GA is about 29.8 miles (47.9 km), with a travel time of about 00h 42m by car.

  • The straight-line flight distance is about 25.1 miles (40.4 km).
  • For a round trip, plan for roughly 01h 25m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
29.78 mi
00h 42m
Flight
25.09 mi
40.38 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Marietta.

Flight Distance

Direct air line
25.09 mi
Kilometers
40.38 km
Flight Time
00h 03m

Driving Distance

Road route
29.78 mi
Kilometers
47.93 km
Drive Time
00h 42m

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 00h 42m.

Arrival Snapshot
Arrive in Forest Park
Thu, Apr 23, 8:06 AM EDT
Return by in Marietta
Thu, Apr 23, 8:48 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Marietta
2026-04-23T07:23
Arrive Forest Park
Thu, Apr 23, 8:06 AM EDT
Route Timing
00h 42m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:43 AM to 7:43 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:04 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Marietta
10:00 PM EDT
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Atlanta
GA

The most populous city in Georgia and the center of the Atlanta metropolitan area.

From Marietta
14.9 mi
00h 21m
To Forest Park
14.9 mi
00h 21m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
85°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
0 to 5 mph W
Destination
84°F
Thursday

Sunny

Starts
Thu, Apr 23 6:00 AM EDT
Wind
0 to 5 mph SW

Driving Route Map

The map below follows the saved road route between Marietta and Forest Park.

Turn-by-Turn Driving Directions

Step-by-step road directions between Marietta and Forest Park.

  1. 1

    Start on West Park Square

    36 m · 11 sec · West Park Square

  2. 2

    Continue on South Park Square

    105 m · 9 sec · South Park Square

  3. 3

    Continue on Roswell Street

    1.7 mi · 4 min · Roswell Street

  4. 4

    Turn right onto Cobb Parkway South

    1.1 km · 1 min · Cobb Parkway South

  5. 5

    Turn left onto South Marietta Parkway

    1 km · 1 min · South Marietta Parkway

  6. 6

    Take the exit slight right toward I 75 South: Atlanta

    2479 ft · 53 sec

  7. 7

    Merge slight left onto Larry McDonald Memorial Highway

    5.2 mi · 6 min · Larry McDonald Memorial Highway

  8. 8

    Continue on Horace E Tate Freeway

    7.3 mi · 9 min · Horace E Tate Freeway

  9. 9

    Continue on Downtown Connector

    5 mi · 7 min · Downtown Connector

  10. 10

    Continue on James Wendell George Parkway

    2.3 mi · 3 min · James Wendell George Parkway

  11. 11

    Keep slight left

    2.4 mi · 3 min

  12. 12

    Take the exit slight right toward US 19, US 41: Central Avenue, C W Grant Parkway, Airport International

    1327 ft · 17 sec

  13. 13

    Keep slight right to continue on US 19, US 41: Central Avenue, Hapeville

    1076 ft · 39 sec

  14. 14

    Turn left onto Central Avenue

    67 m · 5 sec · Central Avenue

  15. 15

    Continue on Crown Road Southeast

    2438 ft · 47 sec · Crown Road Southeast

  16. 16

    Continue on Old Dixie Road

    2.1 mi · 3 min · Old Dixie Road

  17. 17

    Turn left onto Forest Parkway

    1.4 km · 2 min · Forest Parkway

  18. 18

    Turn left onto West Street

    65 m · 11 sec · West Street

  19. 19

    Arrive at your destination

    0 m · 1 sec · West Street

Car Route Details

A richer read on the saved driving route between Marietta and Forest Park.

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
19 steps
5 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
63.8 / 100 mi
Decision points by distance
Main Roads
Horace E Tate Freeway
7.28 mi · 24%
Larry McDonald Memorial Highway
5.15 mi · 17%
Downtown Connector
5.05 mi · 17%
James Wendell George Parkway
4.78 mi · 16%
Old Dixie Road
2.13 mi · 7%
Roswell Street
1.66 mi · 6%
Longest Stretch

Horace E Tate Freeway

Continue on Horace E Tate Freeway

7.28 mi · 00h 09m

Route Summary

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

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 42m
Quick drive
Same-Day Return
01h 26m
Round-trip wheel time
Road vs Air
+4.7 mi
25.1 mi direct line
Halfway Stop
Atlanta
00h 21m from Marietta
Leave By
7:04 PM EDT
Flexible departure
Weather Watch

Sunny leaving Marietta and Sunny near Forest Park.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Marietta to Forest Park?

The road trip is about 29.8 miles (47.9 km) and usually takes 00h 42m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

Atlanta is a useful midpoint, sitting about 14.9 miles from Marietta and 14.9 miles from Forest Park.

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

The direct path is about 25.1 miles (40.4 km), while the road route adds roughly 4.7 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:04 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.16 one way or $8.32 round trip. Estimated CO2 is about 9.3 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Marietta and Sunny near Forest Park.

Stop Ideas Near Atlanta

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 Atlanta and the surrounding midpoint area.
Cafe 55
Coffee break 3.7 mi away

Cafe 55

Atlanta , GA
55 Trinity Ave SW, Atlanta, GA 30303
Rating 3.8/5 10 reviews Cafeteria
Atlanta City Hall
Meeting point 3.7 mi away

Atlanta City Hall

Atlanta , GA
55 Trinity Ave SW, Atlanta, GA 30303
Rating 3.9/5 58 reviews City Hall,City government office
College Park Recycling Drop off Center
Nearby stop 10.6 mi away

College Park Recycling Drop off Center

Atlanta , GA
1904 Harvard Ave, Atlanta, GA 30337
Rating 5.0/5 2 reviews Recycling drop-off location

Transit and Meeting Points

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

RAIL

Peachtree Station

6 mi away
1688 Peachtree Street, NW
RAIL

Gainesville

79 mi away
116 Industrial Boulevard

Flight Path Map

This map shows the direct air route between Marietta and Forest Park. Straight-line distance: 25.09 mi (40.38 km).

Marietta

#1 Marietta

The most populous city in Cobb County, Georgia.

Population60,786
Coordinates33.9526000, -84.5499300
Altitude344
CountryUnited States
Forest Park

#2 Forest Park

Village in Illinois

Population19,871
Coordinates33.6220500, -84.3690900
Altitude301
CountryUnited States
Start: Marietta (-84.54993, 33.9526)
End: Forest Park (-84.36909, 33.62205)

Estimated Travel Time

Distance: 48 km by road

SpeedTime
30 mph (48.3 km/h)00h 59m
40 mph (64.37 km/h)00h 44m
50 mph (80.47 km/h)00h 35m
60 mph (96.56 km/h)00h 29m
70 mph (112.65 km/h)00h 25m
80 mph (129 km/h)00h 22m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.05 gal
3.98 L · about $4.16
Round trip
$8.32
2.1 gal · 7.96 L
Estimated CO2
9.3 kg one way
Round trip: 18.7 kg / 41 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.96 $4.16 $8.32
Mid-grade $4.43 $4.65 $9.30
Premium $4.78 $5.02 $10.03
Diesel $5.62 $5.91 $11.81

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

There is no time difference between Marietta and Forest Park. The current time is 07:23:42.

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.