Map of flight path and driving directions from Seattle to Lancaster.
Shortest flight path between Seattle Boeing Field (BFI) and Lancaster Airport (Pennsylvania) (LNS).
How far is Lancaster from Seattle?
There are several ways to calculate distances between Seattle and Lancaster. Here are two common methods:Vincenty's formula (applied above)
- 2319.988 miles
- 3733.659 kilometers
- 2016.015 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
- 2314.081 miles
- 3724.153 kilometers
- 2010.882 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 Lancaster is 3 hours. Lancaster is 3 hours ahead of Seattle.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 254 kg (561 pounds).
Frequent Flyer Miles Calculator
Seattle (BFI) → Lancaster (LNS).