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How far is Lancaster, PA, from Seattle, WA?

The distance between Seattle (Seattle–Tacoma International Airport) and Lancaster (Lancaster Airport (Pennsylvania)) is 2321 miles / 3735 kilometers / 2017 nautical miles.

The driving distance from Seattle (SEA) to Lancaster (LNS) is 2740 miles / 4409 kilometers, and travel time by car is about 49 hours 0 minutes.

Seattle–Tacoma International Airport – Lancaster Airport (Pennsylvania)

Distance arrow
2321
Miles
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3735
Kilometers
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2017
Nautical miles

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Distance from Seattle to Lancaster

There are several ways to calculate the distance from Seattle to Lancaster. Here are two standard 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 planet.

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).

How long does it take to fly from Seattle to Lancaster?

The estimated flight time from Seattle–Tacoma International Airport to Lancaster Airport (Pennsylvania) is 4 hours and 53 minutes.

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Lancaster Airport (Pennsylvania) (LNS)

On average, flying from Seattle to Lancaster generates about 254 kg of CO2 per passenger, and 254 kilograms equals 561 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Seattle to Lancaster

See the map of the shortest flight path between Seattle–Tacoma International Airport (SEA) and Lancaster Airport (Pennsylvania) (LNS).

Airport information

Origin 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
Destination 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