How far is Kirkwall from Portland, OR?

The distance between Portland (Portland International Airport) and Kirkwall (Kirkwall Airport) is 4458 miles / 7174 kilometers / 3874 nautical miles.

Distance from Portland to Kirkwall

There are several ways to calculate the distance from Portland to Kirkwall. Here are two standard methods:

Vincenty's formula (applied above)

• 4457.962 miles
• 7174.394 kilometers
• 3873.863 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

• 4444.387 miles
• 7152.548 kilometers
• 3862.067 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 Kirkwall?

The estimated flight time from Portland International Airport to Kirkwall Airport is 8 hours and 56 minutes.

What is the time difference between Portland and Kirkwall?

The time difference between Portland and Kirkwall is 8 hours. Kirkwall is 8 hours ahead of Portland.

Flight carbon footprint between Portland International Airport (PDX) and Kirkwall Airport (KOI)

On average, flying from Portland to Kirkwall generates about 514 kg of CO2 per passenger, and 514 kilograms equals 1 133 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Portland to Kirkwall

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

Airport information

Origin	Portland International Airport
City:	Portland, OR
Country:	United States
IATA Code:	PDX
ICAO Code:	KPDX
Coordinates:	45°35′19″N, 122°35′52″W

Destination	Kirkwall Airport
City:	Kirkwall
Country:	United Kingdom
IATA Code:	KOI
ICAO Code:	EGPA
Coordinates:	58°57′28″N, 2°54′17″W