Air Miles Calculator

Distance between Honolulu, HI (HNL) and Friday Harbor, WA (FRD)

Flight distance from Honolulu to Friday Harbor (Honolulu Daniel K. Inouye International Airport – Friday Harbor Airport) is 2687 miles / 4324 kilometers / 2335 nautical miles. Estimated flight time is 5 hours 35 minutes.

Map of flight path from Honolulu to Friday Harbor.

Shortest flight path between Honolulu Daniel K. Inouye International Airport (HNL) and Friday Harbor Airport (FRD).

How far is Friday Harbor from Honolulu?

There are several ways to calculate distances between Honolulu and Friday Harbor. Here are two common methods:

Vincenty's formula (applied above)
  • 2686.608 miles
  • 4323.676 kilometers
  • 2334.598 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
  • 2686.529 miles
  • 4323.550 kilometers
  • 2334.530 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 Friday Harbor Airport
City: Friday Harbor, WA
Country: United States Flag of United States
IATA Code: FRD
ICAO Code: KFHR
Coordinates: 48°31′19″N, 123°1′26″W

Time difference and current local times

The time difference between Honolulu and Friday Harbor is 2 hours. Friday Harbor is 2 hours ahead of Honolulu.

Time Difference

Honolulu, HI

 HST

Friday Harbor, WA

 PST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 297 kg (655 pounds).

Frequent Flyer Miles Calculator

Honolulu (HNL) → Friday Harbor (FRD).

Distance:
2687
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2687

Round trip?