Map of flight path from Seattle to Niigata.
Shortest flight path between Seattle–Tacoma International Airport (SEA) and Niigata Airport (KIJ).
How far is Niigata from Seattle?
There are several ways to calculate distances between Seattle and Niigata. Here are two common 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 earth.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).
Time difference and current local times
The time difference between Seattle and Niigata is 17 hours. Niigata is 17 hours ahead of Seattle.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 547 kg (1 206 pounds).
Frequent Flyer Miles Calculator
Seattle (SEA) → Niigata (KIJ).