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Atlanta–Decatur | ATL–DEC
Calculations with different methods
- 493.093 miles
- 793.557 kilometers
- 428.486 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 493.552 miles
- 794.294 kilometers
- 428.885 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Hartsfield–Jackson Atlanta International Airport (ATL) to Decatur Airport (DEC) is 1 hour 26 minutes.
Time difference and current local times
The time difference between Atlanta and Decatur is 1 hour. Decatur is 1 hour behind Atlanta.
Atlanta to Decatur flight map.
Frequent Flyer Miles Calculator
Atlanta (ATL) → Decatur (DEC).