Air Miles Calculator logo

How far is Kitakyushu from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Kitakyushu (Kitakyushu Airport) is 5233 miles / 8422 kilometers / 4548 nautical miles.

Seattle–Tacoma International Airport – Kitakyushu Airport

Distance arrow
5233
Miles
Distance arrow
8422
Kilometers
Distance arrow
4548
Nautical miles

Search flights

Distance from Seattle to Kitakyushu

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

Vincenty's formula (applied above)
  • 5233.197 miles
  • 8422.014 kilometers
  • 4547.524 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
  • 5220.898 miles
  • 8402.221 kilometers
  • 4536.836 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 Kitakyushu?

The estimated flight time from Seattle–Tacoma International Airport to Kitakyushu Airport is 10 hours and 24 minutes.

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Kitakyushu Airport (KKJ)

On average, flying from Seattle to Kitakyushu generates about 614 kg of CO2 per passenger, and 614 kilograms equals 1 354 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Kitakyushu

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

Airport information

Origin Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W
Destination Kitakyushu Airport
City: Kitakyushu
Country: Japan Flag of Japan
IATA Code: KKJ
ICAO Code: RJFR
Coordinates: 33°50′45″N, 131°2′6″E