Air Miles Calculator

Distance between Seattle, WA (SEA) and Yamagata (GAJ)

Flight distance from Seattle to Yamagata (Seattle–Tacoma International Airport – Yamagata Airport) is 4643 miles / 7473 kilometers / 4035 nautical miles. Estimated flight time is 9 hours 17 minutes.

Map of flight path from Seattle to Yamagata.

Shortest flight path between Seattle–Tacoma International Airport (SEA) and Yamagata Airport (GAJ).

How far is Yamagata from Seattle?

There are several ways to calculate distances between Seattle and Yamagata. Here are two common methods:

Vincenty's formula (applied above)
  • 4643.496 miles
  • 7472.983 kilometers
  • 4035.088 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
  • 4631.579 miles
  • 7453.804 kilometers
  • 4024.732 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).

Airport information


A 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

B Yamagata Airport
City: Yamagata
Country: Japan Flag of Japan
IATA Code: GAJ
ICAO Code: RJSC
Coordinates: 38°24′42″N, 140°22′15″E

Time difference and current local times

The time difference between Seattle and Yamagata is 17 hours. Yamagata is 17 hours ahead of Seattle.

Time Difference

Seattle, WA

 PST

Yamagata

 JST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 538 kg (1 186 pounds).

Frequent Flyer Miles Calculator

Seattle (SEA) → Yamagata (GAJ).

Distance:
4643
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
4643

Round trip?