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How far is Niigata from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Niigata (Niigata Airport) is 4714 miles / 7587 kilometers / 4097 nautical miles.

Seattle–Tacoma International Airport – Niigata Airport

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4714
Miles
Distance arrow
7587
Kilometers
Distance arrow
4097
Nautical miles

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Distance from Seattle to Niigata

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

Vincenty's formula (applied above)
  • 4714.487 miles
  • 7587.231 kilometers
  • 4096.777 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
  • 4702.486 miles
  • 7567.918 kilometers
  • 4086.349 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 Niigata?

The estimated flight time from Seattle–Tacoma International Airport to Niigata Airport is 9 hours and 25 minutes.

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Niigata Airport (KIJ)

On average, flying from Seattle to Niigata generates about 547 kg of CO2 per passenger, and 547 kilograms equals 1 206 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Niigata

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

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 Niigata Airport
City: Niigata
Country: Japan Flag of Japan
IATA Code: KIJ
ICAO Code: RJSN
Coordinates: 37°57′21″N, 139°7′15″E