Shortest distance between Stone Mountain and Alpharetta is 19.78 miles (31.84 km).
Flight distance from Stone Mountain, GA to Alpharetta, GA is 19.78 miles. Estimated flight time is 00 hours 03 minutes.
The driving distance from Stone Mountain, Georgia to Alpharetta, Georgia is: 31.92 miles (51.37 km) by car.
Driving from Stone Mountain to Alpharetta will take approximately 00 hours 36 minutes.
The distance between Stone Mountain and Alpharetta is 51 km if you choose to drive by road. You can go 00 hours 34 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 Stone Mountain and Alpharetta. The current time is 04:20:24.
|Average Speed||Travel Time|
|30 mph (48.3 km/h)||01 hours 03 minutes|
|40 mph (64.37 km/h)||00 hours 47 minutes|
|50 mph (80.47 km/h)||00 hours 38 minutes|
|60 mph (96.56 km/h)||00 hours 31 minutes|
|70 mph (112.65 km/h)||00 hours 27 minutes|
|75 mph (120.7 km/h)||00 hours 25 minutes|
|80 mph (128.75 km/h)||00 hours 23 minutes|
A car with a fuel efficiency of 8.3 l/100 km will need 4.26 liters (1.13 gallon) of gas to cover the route between Stone Mountain and Alpharetta.
The estimated cost of gas to go from Stone Mountain to Alpharetta is $3.81 (diesel $4.19).
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 per gallon of daily gas for calculations is $3.38 (Diesel $3.72) /gallon. Last changed prices on December 03, 2021.
The place names are translated into coordinates to approximate the distance between Stone Mountain and Alpharetta (latitude and longitude). Cities, states, and countries each have their own regional center. The Haversine formula is used to measure the radius.