Air Miles Calculator

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

Distance from Seattle to Lancaster (Seattle–Tacoma International Airport – Lancaster Airport (Pennsylvania)) is 2321 miles / 3735 kilometers / 2017 nautical miles.

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)
  • 2320.764 miles
  • 3734.908 kilometers
  • 2016.689 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
  • 2314.852 miles
  • 3725.394 kilometers
  • 2011.552 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).

Flight duration

Estimated flight time from Seattle–Tacoma International Airport (SEA) to Lancaster Airport (Pennsylvania) (LNS) is 4 hours 53 minutes.

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
Lancaster

Seattle, WA

 PDT

Lancaster, PA

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 258 kg (570 pounds).

Airport information


A Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″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

Seattle to Lancaster flight path

Shortest flight path between Seattle–Tacoma International Airport (SEA) and Lancaster Airport (Pennsylvania) (LNS).

Frequent Flyer Miles Calculator

Seattle (SEA) → Lancaster (LNS).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
2321
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2321

Round trip?