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How far is Ontario, CA, from Portland, OR?

The distance between Portland (Portland International Airport) and Ontario (Ontario International Airport) is 838 miles / 1349 kilometers / 729 nautical miles.

The driving distance from Portland (PDX) to Ontario (ONT) is 1010 miles / 1625 kilometers, and travel time by car is about 19 hours 1 minutes.

Portland International Airport – Ontario International Airport

Distance arrow
838
Miles
Distance arrow
1349
Kilometers
Distance arrow
729
Nautical miles

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Distance from Portland to Ontario

There are several ways to calculate the distance from Portland to Ontario. Here are two standard 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 planet.

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).

How long does it take to fly from Portland to Ontario?

The estimated flight time from Portland International Airport to Ontario International Airport is 2 hours and 5 minutes.

What is the time difference between Portland and Ontario?

There is no time difference between Portland and Ontario.

Flight carbon footprint between Portland International Airport (PDX) and Ontario International Airport (ONT)

On average, flying from Portland to Ontario generates about 138 kg of CO2 per passenger, and 138 kilograms equals 305 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Portland to Ontario

See the map of the shortest flight path between Portland International Airport (PDX) and Ontario International Airport (ONT).

Airport information

Origin 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
Destination 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

Airlines flying from Portland (PDX) to Ontario (ONT)

Alaska Airlines
American Airlines