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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 2145 miles / 3452 kilometers and travel time by car is about 38 hours 19 minutes.

Atlanta – Ontario

Distance arrow
1899
Miles
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3057
Kilometers
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1651
Nautical miles

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).

Flight Duration

Estimated flight time from Atlanta to Ontario 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.

Atlanta time to Ontario time converter

Time in Atlanta: 00:00 ⇆ Time in Ontario: 00:00

Current local times

Atlanta, GA

 EDT

Ontario, CA

 PDT

Carbon dioxide emissions

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
City: Atlanta, GA
Country: United States Flag of United States
IATA Code: ATL
ICAO Code: KATL
Coordinates: 33°38′12″N, 84°25′41″W
Destination Ontario International Airport
City: Ontario, CA
Country: United States Flag of United States
IATA Code: ONT
ICAO Code: KONT
Coordinates: 34°3′21″N, 117°36′3″W