# 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
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
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.

HST

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?