Distance between Portland, OR (PDX) and Ontario, CA (ONT)
Distance from Portland to Ontario (Portland International Airport – Ontario International Airport) is 838 miles / 1349 kilometers / 729 nautical miles.
Calculate Distance
Search by airport name, city or IATA airport code.
Multiple airports
Portland - Ontario
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).
Flight duration
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.
Time Difference
Portland, OR
Ontario, CA
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 138 kg (305 pounds).
Airport information
| A | Portland International Airport |
|---|---|
| City: | Portland, OR |
| Country: | United States  |
| IATA Code: | PDX |
| ICAO Code: | KPDX |
| Coordinates: | 45°35′19″N, 122°35′52″W |
| B | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″W |
Portland to Ontario flight path
Shortest flight path between Portland International Airport (PDX) and Ontario International Airport (ONT).
Frequent Flyer Miles Calculator
Portland (PDX) → Ontario (ONT).
In total
Round trip?