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

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

The driving distance from Lancaster (LNS) to Seattle (SEA) is 2743 miles / 4414 kilometers, and travel time by car is about 49 hours 11 minutes.

Distance from Lancaster to Seattle

There are several ways to calculate the distance from Lancaster to Seattle. 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 Lancaster to Seattle?

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

What is the time difference between Lancaster and Seattle?

The time difference between Lancaster and Seattle is 3 hours. Seattle is 3 hours behind Lancaster.

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

On average, flying from Lancaster to Seattle 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 Lancaster to Seattle

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

Airport information

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

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