Map of flight path from Honolulu to Seattle.
Shortest flight path between Honolulu Daniel K. Inouye International Airport (HNL) and Seattle–Tacoma International Airport (SEA).
How far is Seattle from Honolulu?
There are several ways to calculate distances between Honolulu and Seattle. Here are two common methods:Vincenty's formula (applied above)
- 2677.169 miles
- 4308.486 kilometers
- 2326.396 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
- 2676.828 miles
- 4307.937 kilometers
- 2326.100 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).
|A||Honolulu Daniel K. Inouye International Airport|
|B||Seattle–Tacoma International Airport|
Time difference and current local times
The time difference between Honolulu and Seattle is 2 hours. Seattle is 2 hours ahead of Honolulu.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 296 kg (652 pounds).
Frequent Flyer Miles Calculator
Honolulu (HNL) → Seattle (SEA).