How far is DeKalb County, GA from Smyrna, GA?
Distance by Flight
Shortest distance between DeKalb County and Smyrna is 48.73 miles (78.42 km).
Flight distance from DeKalb County, GA to Smyrna, GA is 48.73 miles. Estimated flight time is 00 hours 07 minutes.
Driving distance
The driving distance from DeKalb County, Georgia to Smyrna, Georgia is: 58.62 miles (94.34 km) by car.
Driving from DeKalb County to Smyrna will take approximately 01 hours 01 minutes.
#1 DeKalb County
County in Georgia, United States
| Population | 762009 |
|---|---|
| GPS Coordinates | 33°46'18"N 84°13'35"W |
| Latitude | 33.7715300 |
| Longitude | -84.2264100 |
| Altitude | 277 |
| Country | United States |
#2 Smyrna
The most populous city in Cobb County, Georgia. It is located in the Atlanta metropolitan area. Smyrna is known for its many parks and green spaces, its many historical sites, and its many attractions, such as the Cobb Energy Performing Arts Centre and the Smyrna Historical Society.
| Population | 56443 |
|---|---|
| GPS Coordinates | 33°35'53"N 83°24'18"W |
| Latitude | 33.5981800 |
| Longitude | -83.4048900 |
| Altitude | 188 |
| Country | United States |
Ending point in Smyrna: Buckhead Road (-83.404891,33.598175)
Estimated Travel Time Between DeKalb County and Smyrna
The distance between DeKalb County and Smyrna is 94 km if you choose to drive by road. You can go 01 hours 02 minutes if you drive your car at an average speed of 90 kilometers / hour. For different choices, please review the avg. speed travel time table on the below.
There is no time difference between DeKalb County and Smyrna. The current time is 09:00:45.
| Average Speed | Travel Time |
|---|---|
| 30 mph (48.3 km/h) | 01 hours 57 minutes |
| 40 mph (64.37 km/h) | 01 hours 27 minutes |
| 50 mph (80.47 km/h) | 01 hours 10 minutes |
| 60 mph (96.56 km/h) | 00 hours 58 minutes |
| 70 mph (112.65 km/h) | 00 hours 50 minutes |
| 75 mph (120.7 km/h) | 00 hours 46 minutes |
| 80 mph (128.75 km/h) | 00 hours 43 minutes |
Gas Consumption
A car with a fuel efficiency of 8.3 l/100 km will need 7.83 liters (2.07 gallon) of gas to cover the route between DeKalb County and Smyrna.
The estimated cost of gas to go from DeKalb County to Smyrna is $6.2 (diesel $8.44).
Georgia gas prices.
| Gasoline | Mid Grade | Premium | Diesel | |
|---|---|---|---|---|
| Gallon | $3 | $3.43 | $3.82 | $4.08 |
| Total | $6.2 | $7.1 | $7.9 | $8.44 |
Take a look at our Gas Cost Calculator feature. It will figure out how much it will cost to drive this particular distance.
The average gas price (in Georgia ) per gallon of daily gas for calculations is $2.995 (Diesel $4.079) /gallon. Last changed prices on December 29, 2025.
How did we calculate the distance?
The place names are translated into coordinates to approximate the distance between DeKalb County and Smyrna (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.
