Distance between Atlanta, GA (ATL) and Ontario, CA (ONT)
Flight distance from Atlanta to Ontario (Hartsfield–Jackson Atlanta International Airport – Ontario International Airport) is 1899 miles / 3057 kilometers / 1651 nautical miles. Estimated flight time is 4 hours 5 minutes.
Driving distance from Atlanta (ATL) to Ontario (ONT) is 2141 miles / 3445 kilometers and travel time by car is about 37 hours 27 minutes.
Atlanta – Ontario
How far is Ontario from Atlanta?
There are several ways to calculate distances between Los Angeles and Chicago. 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).
How long does it take to fly from Atlanta to Ontario?
Estimated flight time from Hartsfield–Jackson Atlanta International Airport to Ontario International Airport is 4 hours 5 minutes.
What is the time difference between Atlanta and Ontario?
The time difference between Atlanta and Ontario is 3 hours. Ontario is 3 hours behind Atlanta.
Atlanta time to Ontario time converter
Flight carbon footprint between Hartsfield–Jackson Atlanta International Airport (ATL) and Ontario International Airport (ONT)
On average flying from Atlanta to Ontario generates about 208 kg of CO2 per passenger, 208 kilograms is equal to 459 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Atlanta to Ontario
Shortest flight path between Hartsfield–Jackson Atlanta International Airport (ATL) and Ontario International Airport (ONT).
Airport information
Origin | Hartsfield–Jackson Atlanta International Airport |
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City: | Atlanta, GA |
Country: | United States ![]() |
IATA Code: | ATL |
ICAO Code: | KATL |
Coordinates: | 33°38′12″N, 84°25′41″W |
Destination | Ontario International Airport |
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City: | Ontario, CA |
Country: | United States ![]() |
IATA Code: | ONT |
ICAO Code: | KONT |
Coordinates: | 34°3′21″N, 117°36′3″W |