Air Miles Calculator

Distance between Seattle, WA (SEA) and Osaka (ITM)

Flight distance from Seattle to Osaka (Seattle–Tacoma International Airport – Itami Airport) is 5014 miles / 8070 kilometers / 4357 nautical miles. Estimated flight time is 9 hours 59 minutes.

Map of flight path from Seattle to Osaka.

Shortest flight path between Seattle–Tacoma International Airport (SEA) and Itami Airport (ITM).

How far is Osaka from Seattle?

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

Vincenty's formula (applied above)
  • 5014.224 miles
  • 8069.611 kilometers
  • 4357.242 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
  • 5002.211 miles
  • 8050.279 kilometers
  • 4346.803 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 Itami Airport
City: Osaka
Country: Japan Flag of Japan
IATA Code: ITM
ICAO Code: RJOO
Coordinates: 34°47′7″N, 135°26′16″E

Time difference and current local times

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

Time Difference

Seattle, WA

 PST

Osaka

 JST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 586 kg (1 291 pounds).

Frequent Flyer Miles Calculator

Seattle (SEA) → Osaka (ITM).

Distance:
5014
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
5014

Round trip?