Calculations with different methods
- 838.446 miles
- 1349.348 kilometers
- 728.590 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
- 839.349 miles
- 1350.801 kilometers
- 729.374 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).
Estimated flight time from Ontario International Airport (ONT) to Portland International Airport (PDX) is 2 hours 5 minutes.
Time difference and current local times
There is no time difference between Ontario and Portland.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 126 kg (277 pounds).
Ontario to Portland flight map.
Frequent Flyer Miles Calculator
Ontario (ONT) → Portland (PDX).