Map of flight path and driving directions from Seattle to Westerly.
Shortest flight path between Seattle Boeing Field (BFI) and Westerly State Airport (WST).
How far is Westerly from Seattle?
There are several ways to calculate distances between Seattle and Westerly. Here are two common methods:Vincenty's formula (applied above)
- 2489.116 miles
- 4005.844 kilometers
- 2162.983 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
- 2482.516 miles
- 3995.222 kilometers
- 2157.247 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
The time difference between Seattle and Westerly is 3 hours. Westerly is 3 hours ahead of Seattle.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 274 kg (604 pounds).
Frequent Flyer Miles Calculator
Seattle (BFI) → Westerly (WST).