Air Miles Calculator

Distance between Seattle, WA (BFI) and Lancaster, PA (LNS)

Flight distance from Seattle to Lancaster (Seattle Boeing Field – Lancaster Airport (Pennsylvania)) is 2320 miles / 3734 kilometers / 2016 nautical miles. Estimated flight time is 4 hours 53 minutes.

Driving distance from Seattle (BFI) to Lancaster (LNS) is 2793 miles / 4495 kilometers and travel time by car is about 46 hours 4 minutes.

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).

Airport information


A Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W

B Lancaster Airport (Pennsylvania)
City: Lancaster, PA
Country: United States Flag of United States
IATA Code: LNS
ICAO Code: KLNS
Coordinates: 40°7′18″N, 76°17′45″W

Time difference and current local times

The time difference between Seattle and Lancaster is 3 hours. Lancaster is 3 hours ahead of Seattle.

Time Difference

Seattle, WA

 PST

Lancaster, PA

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 254 kg (561 pounds).

Frequent Flyer Miles Calculator

Seattle (BFI) → Lancaster (LNS).

Distance:
2320
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2320

Round trip?