How far is Kirkwall from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Kirkwall (Kirkwall Airport) is 4340 miles / 6984 kilometers / 3771 nautical miles.

Distance from Seattle to Kirkwall

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

Vincenty's formula (applied above)

• 4339.887 miles
• 6984.371 kilometers
• 3771.258 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

• 4326.291 miles
• 6962.490 kilometers
• 3759.444 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 Seattle to Kirkwall?

The estimated flight time from Seattle–Tacoma International Airport to Kirkwall Airport is 8 hours and 43 minutes.

What is the time difference between Seattle and Kirkwall?

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

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Kirkwall Airport (KOI)

On average, flying from Seattle to Kirkwall generates about 499 kg of CO2 per passenger, and 499 kilograms equals 1 100 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Kirkwall

See the map of the shortest flight path between Seattle–Tacoma International Airport (SEA) and Kirkwall Airport (KOI).

Airport information

Origin	Seattle–Tacoma International Airport
City:	Seattle, WA
Country:	United States
IATA Code:	SEA
ICAO Code:	KSEA
Coordinates:	47°26′56″N, 122°18′32″W

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