How far is Ontario from Portland?
There are several ways to calculate distances between Portland and Ontario. Here are two common methods:Vincenty's formula (applied above)
- 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 – the shortest distance between two points).
Estimated flight time from Portland International Airport (PDX) to Ontario International Airport (ONT) is 2 hours 5 minutes.
Time difference and current local times
There is no time difference between Portland and Ontario.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 126 kg (277 pounds).
Portland to Ontario flight map.
Frequent Flyer Miles Calculator
Portland (PDX) → Ontario (ONT).