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Distance between Seattle, WA (BFI) and Tokyo (NRT)

Flight distance from Seattle to Tokyo (Seattle Boeing Field – Narita International Airport) is 4766 miles / 7671 kilometers / 4142 nautical miles. Estimated flight time is 9 hours 31 minutes.

Seattle – Tokyo

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4766
Miles
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7671
Kilometers
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4142
Nautical miles

How far is Tokyo from Seattle?

There are several ways to calculate distances between Los Angeles and Chicago. Here are two common methods:

Vincenty's formula (applied above)
  • 4766.288 miles
  • 7670.598 kilometers
  • 4141.791 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
  • 4754.646 miles
  • 7651.861 kilometers
  • 4131.674 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).

Flight Duration

Estimated flight time from Seattle Boeing Field to Narita International Airport is 9 hours 31 minutes.

Time difference

The time difference between Seattle and Tokyo is 17 hours. Tokyo is 17 hours ahead of Seattle.
Seattle time to Tokyo time converter

Carbon dioxide emissions

On average flying from Seattle to Tokyo generates about 554 kg of CO2 per passenger, 554 kilograms is equal to 1 220 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Tokyo

Shortest flight path between Seattle Boeing Field (BFI) and Narita International Airport (NRT).

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 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