How far is North Decatur, GA from Smyrna, GA?
The driving distance from North Decatur, GA to Smyrna, GA is about 65.1 miles (104.8 km), with a travel time of about 01h 07m by car.
- The straight-line flight distance is about 53.5 miles (86.1 km).
- For a round trip, plan for roughly 02h 14m 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 07m.
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 Newton County, Georgia, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Driving Route Map
The map below follows the saved road route between North Decatur and Smyrna.
Turn-by-Turn Driving Directions
Step-by-step road directions between North Decatur and Smyrna.
-
1
Start on North Decatur Road
36 m · 9 sec · North Decatur Road
-
2
Turn left onto Clairmont Road
989 ft · 16 sec · Clairmont Road
-
3
Continue on Clairemont Avenue
1.5 km · 2 min · Clairemont Avenue
-
4
Turn left onto Commerce Drive
150 m · 15 sec · Commerce Drive
-
5
Turn right onto Church Street
1826 ft · 51 sec · Church Street
-
6
Turn left onto East Trinity Place
810 ft · 20 sec · East Trinity Place
-
7
Continue on South Candler Street
1.3 mi · 2 min · South Candler Street
-
8
Continue on Candler Road Northeast
638 ft · 15 sec · Candler Road Northeast
-
9
Continue on Candler Road Southeast
2.9 mi · 6 min · Candler Road Southeast
-
10
Take the ramp left toward I 20 East
1896 ft · 46 sec
-
11
Merge slight left onto Ralph David Abernathy Freeway
1.6 mi · 2 min · Ralph David Abernathy Freeway
-
12
Continue on Purple Heart Highway
45.3 mi · 49 min · Purple Heart Highway
-
13
Take the exit slight right toward GA 83: Madison, Monticello
1939 ft · 54 sec
-
14
Turn left onto Monticello Highway
1.5 mi · 3 min · Monticello Highway
-
15
Turn slight right
2002 ft · 38 sec
-
16
Keep slight left to continue on South Main Street
2436 ft · 1 min · South Main Street
-
17
Turn left onto Eatonton Road
48 m · 4 sec · Eatonton Road
-
18
Turn straight onto South Main Street
2.2 mi · 5 min · South Main Street
-
19
Continue on Greensboro Road
3 mi · 4 min · Greensboro Road
-
20
Turn right onto Buckhead Road
31 m · 3 sec · Buckhead Road
-
21
Arrive at your destination
0 m · 1 sec · Buckhead Road
Car Route Details
A richer read on the saved driving route between North Decatur and Smyrna.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Purple Heart Highway
Continue on Purple Heart Highway
45.3 mi · 00h 49m
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 North Decatur and Sunny near Smyrna.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from North Decatur to Smyrna?
The road trip is about 65.1 miles (104.8 km) and usually takes 01h 07m 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?
Oxford is a useful midpoint, sitting about 30.7 miles from North Decatur and 34.4 miles from Smyrna.
How much longer is the road route than the straight-line distance?
The direct path is about 53.5 miles (86.1 km), while the road route adds roughly 11.6 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 4:16 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $9.11 one way or $18.22 round trip. Estimated CO2 is about 20.4 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around North Decatur and Sunny near Smyrna.
Stop Ideas Near Oxford
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 Oxford.
Peachtree Station
Gainesville
Toccoa
Flight Path Map
This map shows the direct air route between North Decatur and Smyrna. Straight-line distance: 53.48 mi (86.06 km).
#1 North Decatur
Census-designated place in DeKalb County, Georgia
| Population | 16,698 |
| Coordinates | 33.7903800, -84.3060300 |
| Altitude | 303 |
| Country | United States |
#2 Smyrna
The most populous city in Cobb County, Georgia.
| Population | 56,443 |
| Coordinates | 33.5981800, -83.4048900 |
| Altitude | 188 |
| Country | United States |
End: Buckhead Road (-83.404891, 33.598175)
Estimated Travel Time
Distance: 105 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 10m |
| 40 mph (64.37 km/h) | 01h 37m |
| 50 mph (80.47 km/h) | 01h 18m |
| 60 mph (96.56 km/h) | 01h 05m |
| 70 mph (112.65 km/h) | 00h 55m |
| 80 mph (129 km/h) | 00h 48m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $9.11 | $18.22 |
| Mid-grade | $4.43 | $10.19 | $20.37 |
| Premium | $4.78 | $10.99 | $21.98 |
| Diesel | $5.62 | $12.94 | $25.87 |
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 20, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.