Air Miles Calculator

Distance between Honolulu, HI (HNL) and Seattle, WA (SEA)

Flight distance from Honolulu to Seattle (Honolulu Daniel K. Inouye International Airport – Seattle–Tacoma International Airport) is 2677 miles / 4308 kilometers / 2326 nautical miles. Estimated flight time is 5 hours 34 minutes.

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).

Airport information


A Honolulu Daniel K. Inouye International Airport
City: Honolulu, HI
Country: United States Flag of United States
IATA Code: HNL
ICAO Code: PHNL
Coordinates: 21°19′7″N, 157°55′19″W

B 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

Time difference and current local times

The time difference between Honolulu and Seattle is 3 hours. Seattle is 3 hours ahead of Honolulu.

Time Difference

Honolulu, HI

 HST

Seattle, WA

 PDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 296 kg (652 pounds).

Frequent Flyer Miles Calculator

Honolulu (HNL) → Seattle (SEA).

Distance:
2677
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2677

Round trip?