How far is Marietta, GA from Unadilla, GA?
The driving distance from Marietta, GA to Unadilla, GA is about 139.6 miles (224.6 km), with a travel time of about 02h 40m by car.
- The straight-line flight distance is about 126 miles (202.7 km).
- For a round trip, plan for roughly 05h 20m 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 02h 40m.
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.
Census designated place
Route Weather Snapshot
Check the forecast at both ends before you head out.
Slight Chance Rain Showers then Partly Sunny
Chance Showers And Thunderstorms
Driving Route Map
The map below follows the saved road route between Marietta and Unadilla.
Turn-by-Turn Driving Directions
Step-by-step road directions between Marietta and Unadilla.
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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 · 9 sec · South Park Square
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3
Continue on Roswell Street
1.7 mi · 4 min · Roswell Street
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4
Turn right onto Cobb Parkway South
1.1 km · 1 min · Cobb Parkway South
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5
Turn left onto South Marietta Parkway
1 km · 1 min · South Marietta Parkway
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6
Take the exit slight right toward I 75 South: Atlanta
2479 ft · 53 sec
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7
Merge slight left onto Larry McDonald Memorial Highway
5.2 mi · 6 min · Larry McDonald Memorial Highway
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8
Continue on Horace E Tate Freeway
7.3 mi · 9 min · Horace E Tate Freeway
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9
Continue on Downtown Connector
5 mi · 7 min · Downtown Connector
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10
Continue on James Wendell George Parkway
2.3 mi · 3 min · James Wendell George Parkway
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11
Keep slight left
64.8 mi · 1 hr 12 min
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12
Keep slight right to continue on Larry Justice Highway
16.1 mi · 17 min · Larry Justice Highway
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13
Merge slight left onto Fall Line Freeway
34.2 mi · 37 min · Fall Line Freeway
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14
Take the exit slight right toward GA 230: Unadilla, Byromville
1007 ft · 31 sec
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15
Turn left
1.3 km · 2 min
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16
At the end of the road, turn left onto Pine Street
126 m · 12 sec · Pine Street
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17
Arrive at your destination
0 m · 1 sec · Pine Street
Car Route Details
A richer read on the saved driving route between Marietta and Unadilla.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
James Wendell George Parkway
Keep slight left
64.8 mi · 01h 12m
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.
Slight Chance Rain Showers then Partly Sunny leaving Marietta and Chance Showers And Thunderstorms near Unadilla.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Marietta to Unadilla?
The road trip is about 139.6 miles (224.6 km) and usually takes 02h 40m 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?
Indian Springs is a useful midpoint, sitting about 69.8 miles from Marietta and 69.7 miles from Unadilla.
How much longer is the road route than the straight-line distance?
The direct path is about 126 miles (202.7 km), while the road route adds roughly 13.6 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 1:10 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.49 one way or $38.98 round trip. Estimated CO2 is about 43.7 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers then Partly Sunny around Marietta and Chance Showers And Thunderstorms near Unadilla.
Stop Ideas Near Indian Springs
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 Indian Springs.
Peachtree Station
Gainesville
Flight Path Map
This map shows the direct air route between Marietta and Unadilla. Straight-line distance: 125.96 mi (202.72 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 Unadilla
City in Dooly County, Georgia, United States
| Population | 3,492 |
| Coordinates | 32.2615500, -83.7365700 |
| Altitude | 120 |
| Country | United States |
End: Unadilla (-83.73657, 32.26155)
Estimated Travel Time
Distance: 225 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 38m |
| 40 mph (64.37 km/h) | 03h 29m |
| 50 mph (80.47 km/h) | 02h 47m |
| 60 mph (96.56 km/h) | 02h 19m |
| 70 mph (112.65 km/h) | 01h 59m |
| 80 mph (129 km/h) | 01h 44m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $19.49 | $38.98 |
| Mid-grade | $4.43 | $21.79 | $43.58 |
| Premium | $4.78 | $23.51 | $47.02 |
| Diesel | $5.62 | $27.67 | $55.34 |
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 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.