Air Miles Calculator

Distance between Seattle, WA (BFI) and Friday Harbor, WA (FRD)

Distance from Seattle to Friday Harbor (Seattle Boeing Field – Friday Harbor Airport) is 76 miles / 123 kilometers / 66 nautical miles.

How far is Friday Harbor from Seattle?

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

Vincenty's formula (applied above)
  • 76.270 miles
  • 122.744 kilometers
  • 66.277 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
  • 76.228 miles
  • 122.678 kilometers
  • 66.241 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).

Flight duration

Estimated flight time from Seattle Boeing Field (BFI) to Friday Harbor Airport (FRD) is 38 minutes.

Time difference and current local times

There is no time difference between Seattle and Friday Harbor.

Time Difference

Seattle
Friday Harbor

Seattle, WA

 PDT

Friday Harbor, WA

 PDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 36 kg (78 pounds).

Airport information


A Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″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

Seattle to Friday Harbor flight path

Shortest flight path between Seattle Boeing Field (BFI) and Friday Harbor Airport (FRD).

Frequent Flyer Miles Calculator

Seattle (BFI) → Friday Harbor (FRD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
76
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
76

Round trip?