How far is Smyrna, GA from North Decatur, GA?
The driving distance from Smyrna, GA to North Decatur, GA is about 63.6 miles (102.4 km), with a travel time of about 01h 16m by car.
- The straight-line flight distance is about 53.5 miles (86.1 km).
- For a round trip, plan for roughly 02h 33m 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 16m.
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.
Sunny
Driving Route Map
The map below follows the saved road route between Smyrna and North Decatur.
Turn-by-Turn Driving Directions
Step-by-step road directions between Smyrna and North Decatur.
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1
Start on Buckhead Road
31 m · 7 sec · Buckhead Road
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2
Turn left onto Greensboro Road
3 mi · 4 min · Greensboro Road
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3
Turn left onto Madison Bypass
4.2 mi · 6 min · Madison Bypass
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4
Continue on Eatonton Road
3165 ft · 1 min · Eatonton Road
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5
Take the exit right toward I 20 West: Atlanta
2122 ft · 26 sec
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6
Continue on Purple Heart Highway
46.6 mi · 50 min · Purple Heart Highway
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7
Take the exit slight right toward I 285 Bypass North: Greenville, Chattanooga
2355 ft · 57 sec
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8
Merge slight left onto Atlanta Bypass / The Perimeter
2.2 mi · 3 min · Atlanta Bypass / The Perimeter
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9
Take the exit slight right toward US 278: Covington Highway
875 ft · 24 sec
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10
Turn left onto Covington Highway
2.4 mi · 4 min · Covington Highway
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11
Continue on Covington Road
1808 ft · 30 sec · Covington Road
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12
Continue on North Avondale Plaza
544 ft · 11 sec · North Avondale Plaza
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13
Continue on North Avondale Road
1850 ft · 39 sec · North Avondale Road
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14
Continue on East College Avenue
1863 ft · 34 sec · East College Avenue
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15
Turn right onto Sams Crossing
647 ft · 20 sec · Sams Crossing
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16
Turn left onto East Ponce de Leon Avenue
1.5 km · 2 min · East Ponce de Leon Avenue
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17
Turn right onto Clairemont Avenue
1.1 mi · 2 min · Clairemont Avenue
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18
Continue on Clairmont Road
989 ft · 20 sec · Clairmont Road
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19
Turn right onto North Decatur Road
36 m · 2 sec · North Decatur Road
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20
Arrive at your destination
0 m · 1 sec · North Decatur Road
Car Route Details
A richer read on the saved driving route between Smyrna and North Decatur.
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
46.6 mi · 00h 50m
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 Smyrna and Sunny near North Decatur.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Smyrna to North Decatur?
The road trip is about 63.6 miles (102.4 km) and usually takes 01h 16m 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 31.8 miles from Smyrna and 31.9 miles from North Decatur.
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 10.1 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 3:56 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.91 one way or $17.82 round trip. Estimated CO2 is about 20 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Smyrna and Sunny near North Decatur.
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 Smyrna and North Decatur. Straight-line distance: 53.48 mi (86.06 km).
#1 Smyrna
The most populous city in Cobb County, Georgia.
| Population | 56,443 |
| Coordinates | 33.5981800, -83.4048900 |
| Altitude | 188 |
| Country | United States |
#2 North Decatur
Census-designated place in DeKalb County, Georgia
| Population | 16,698 |
| Coordinates | 33.7903800, -84.3060300 |
| Altitude | 303 |
| Country | United States |
End: North Decatur (-84.30603, 33.79038)
Estimated Travel Time
Distance: 102 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 07m |
| 40 mph (64.37 km/h) | 01h 35m |
| 50 mph (80.47 km/h) | 01h 16m |
| 60 mph (96.56 km/h) | 01h 03m |
| 70 mph (112.65 km/h) | 00h 54m |
| 80 mph (129 km/h) | 00h 47m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.96 | $8.91 | $17.82 |
| Mid-grade | $4.43 | $9.97 | $19.93 |
| Premium | $4.78 | $10.75 | $21.50 |
| Diesel | $5.62 | $12.65 | $25.31 |
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.