Air Miles Calculator

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.

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
Ontario

Atlanta, GA

 EDT

Ontario, CA

 PDT

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 Flag of 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 Flag of 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).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1899
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1899

Round trip?