Air Miles Calculator

Distance between Seattle, WA (BFI) and Grand Forks, ND (GFK)

Distance from Seattle to Grand Forks (Boeing Field – Grand Forks International Airport) is 1166 miles / 1877 kilometers / 1013 nautical miles.

How far is Grand Forks from Seattle?

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

Vincenty's formula (applied above)
  • 1166.109 miles
  • 1876.671 kilometers
  • 1013.321 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
  • 1162.671 miles
  • 1871.138 kilometers
  • 1010.333 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 Boeing Field (BFI) to Grand Forks International Airport (GFK) is 2 hours 42 minutes.

Time difference and current local times

The time difference between Seattle and Grand Forks is 2 hours. Grand Forks is 2 hours ahead of Seattle.

Time Difference

Seattle
Grand Forks

Seattle, WA

 PDT

Grand Forks, ND

 CDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 160 kg (353 pounds).

Airport information


A 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 Grand Forks International Airport
City: Grand Forks, ND
Country: United States Flag of United States
IATA Code: GFK
ICAO Code: KGFK
Coordinates: 47°56′57″N, 97°10′33″W

Seattle to Grand Forks flight path

Shortest flight path between Boeing Field (BFI) and Grand Forks International Airport (GFK).

Frequent Flyer Miles Calculator

Seattle (BFI) → Grand Forks (GFK).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1166
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1166

Round trip?