Air Miles Calculator

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.

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
Ontario

Portland, OR

 PDT

Ontario, CA

 PDT

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 Flag of 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 Flag of 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).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
838
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
838

Round trip?