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

The distance between Williamsport (Williamsport Regional Airport) and Seattle (Seattle–Tacoma International Airport) is 2256 miles / 3631 kilometers / 1960 nautical miles.

The driving distance from Williamsport (IPT) to Seattle (SEA) is 2670 miles / 4297 kilometers, and travel time by car is about 47 hours 48 minutes.

Williamsport Regional Airport – Seattle–Tacoma International Airport

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2256
Miles
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3631
Kilometers
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1960
Nautical miles

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Distance from Williamsport to Seattle

There are several ways to calculate the distance from Williamsport to Seattle. Here are two standard methods:

Vincenty's formula (applied above)
  • 2256.097 miles
  • 3630.837 kilometers
  • 1960.495 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
  • 2250.178 miles
  • 3621.310 kilometers
  • 1955.351 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 Williamsport to Seattle?

The estimated flight time from Williamsport Regional Airport to Seattle–Tacoma International Airport is 4 hours and 46 minutes.

Flight carbon footprint between Williamsport Regional Airport (IPT) and Seattle–Tacoma International Airport (SEA)

On average, flying from Williamsport to Seattle generates about 247 kg of CO2 per passenger, and 247 kilograms equals 544 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Williamsport to Seattle

See the map of the shortest flight path between Williamsport Regional Airport (IPT) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin Williamsport Regional Airport
City: Williamsport, PA
Country: United States Flag of United States
IATA Code: IPT
ICAO Code: KIPT
Coordinates: 41°14′30″N, 76°55′15″W
Destination 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