Map of flight path and driving directions from Seattle to Smithers.
Shortest flight path between Seattle–Tacoma International Airport (SEA) and Smithers Airport (YYD).
How far is Smithers from Seattle?
There are several ways to calculate distances between Seattle and Smithers. Here are two common methods:Vincenty's formula (applied above)
- 551.842 miles
- 888.104 kilometers
- 479.538 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
- 551.354 miles
- 887.318 kilometers
- 479.114 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).
Time difference and current local times
There is no time difference between Seattle and Smithers.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 106 kg (234 pounds).
Frequent Flyer Miles Calculator
Seattle (SEA) → Smithers (YYD).