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How far is Kos from Seattle, WA?

The distance between Seattle (Seattle Boeing Field) and Kos (Kos International Airport) is 6327 miles / 10182 kilometers / 5498 nautical miles.

Seattle Boeing Field – Kos International Airport

Distance arrow
6327
Miles
Distance arrow
10182
Kilometers
Distance arrow
5498
Nautical miles

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Distance from Seattle to Kos

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

Vincenty's formula (applied above)
  • 6327.108 miles
  • 10182.493 kilometers
  • 5498.106 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
  • 6311.793 miles
  • 10157.847 kilometers
  • 5484.799 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 Kos?

The estimated flight time from Seattle Boeing Field to Kos International Airport is 12 hours and 28 minutes.

Flight carbon footprint between Seattle Boeing Field (BFI) and Kos International Airport (KGS)

On average, flying from Seattle to Kos generates about 761 kg of CO2 per passenger, and 761 kilograms equals 1 678 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Kos

See the map of the shortest flight path between Seattle Boeing Field (BFI) and Kos International Airport (KGS).

Airport information

Origin Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W
Destination Kos International Airport
City: Kos
Country: Greece Flag of Greece
IATA Code: KGS
ICAO Code: LGKO
Coordinates: 36°47′35″N, 27°5′30″E