How far is Seattle from Calgary?
There are several ways to calculate distances between Calgary and Seattle. Here are two common methods:Vincenty's formula (applied above)
- 451.880 miles
- 727.231 kilometers
- 392.673 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
- 450.913 miles
- 725.675 kilometers
- 391.833 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 Calgary International Airport (YYC) to Seattle–Tacoma International Airport (SEA) is 1 hour 21 minutes.
Time difference and current local times
The time difference between Calgary and Seattle is 1 hour. Seattle is 1 hour behind Calgary.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 92 kg (202 pounds).
Calgary to Seattle flight path
Shortest flight path between Calgary International Airport (YYC) and Seattle–Tacoma International Airport (SEA).
Frequent Flyer Miles Calculator
Calgary (YYC) → Seattle (SEA).