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).
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.
Grand Forks, ND
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 160 kg (353 pounds).
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).