Distance between Atlanta, GA (ATL) and Ontario, CA (ONT)
Distance from Atlanta to Ontario (Hartsfield–Jackson Atlanta International Airport – Ontario International Airport) is 1899 miles / 3057 kilometers / 1651 nautical miles.
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Atlanta - Ontario
How far is Ontario from Atlanta?
There are several ways to calculate distances between Atlanta and Ontario. Here are two common methods:
Vincenty's formula (applied above)- 1899.480 miles
- 3056.916 kilometers
- 1650.603 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- 1895.389 miles
- 3050.332 kilometers
- 1647.048 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
Flight duration
Estimated flight time from Hartsfield–Jackson Atlanta International Airport (ATL) to Ontario International Airport (ONT) is 4 hours 5 minutes.
Time difference and current local times
The time difference between Atlanta and Ontario is 3 hours. Ontario is 3 hours behind Atlanta.
Time Difference
Atlanta, GA
Ontario, CA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 209 kg (462 pounds).
Airport information
| A | Hartsfield–Jackson Atlanta International Airport |
|---|---|
| City: | Atlanta, GA |
| Country: | United States  |
| IATA Code: | ATL |
| ICAO Code: | KATL |
| Coordinates: | 33°38′12″N, 84°25′41″W |
| B | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″W |
Atlanta to Ontario flight path
Shortest flight path between Hartsfield–Jackson Atlanta International Airport (ATL) and Ontario International Airport (ONT).
Frequent Flyer Miles Calculator
Atlanta (ATL) → Ontario (ONT).
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