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How far is Tokyo from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Tokyo (Narita International Airport) is 4769 miles / 7675 kilometers / 4144 nautical miles.

Seattle–Tacoma International Airport – Narita International Airport

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4769
Miles
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7675
Kilometers
Distance arrow
4144
Nautical miles

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Distance from Seattle to Tokyo

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

Vincenty's formula (applied above)
  • 4768.836 miles
  • 7674.697 kilometers
  • 4144.005 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
  • 4757.191 miles
  • 7655.956 kilometers
  • 4133.886 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 Tokyo?

The estimated flight time from Seattle–Tacoma International Airport to Narita International Airport is 9 hours and 31 minutes.

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Narita International Airport (NRT)

On average, flying from Seattle to Tokyo generates about 554 kg of CO2 per passenger, and 554 kilograms equals 1 221 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Tokyo

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

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 Narita International Airport
City: Tokyo
Country: Japan Flag of Japan
IATA Code: NRT
ICAO Code: RJAA
Coordinates: 35°45′52″N, 140°23′9″E

Airlines flying from Seattle (SEA) to Tokyo (NRT)

All Nippon Airways
Delta Air Lines
United Airlines