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How far is Seattle, WA, from Westerly, RI?

The distance between Westerly (Westerly State Airport) and Seattle (Seattle–Tacoma International Airport) is 2490 miles / 4008 kilometers / 2164 nautical miles.

The driving distance from Westerly (WST) to Seattle (SEA) is 2979 miles / 4794 kilometers, and travel time by car is about 53 hours 58 minutes.

Westerly State Airport – Seattle–Tacoma International Airport

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2490
Miles
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4008
Kilometers
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2164
Nautical miles

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Distance from Westerly to Seattle

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

Vincenty's formula (applied above)
  • 2490.343 miles
  • 4007.819 kilometers
  • 2164.049 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
  • 2483.739 miles
  • 3997.190 kilometers
  • 2158.310 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 Westerly to Seattle?

The estimated flight time from Westerly State Airport to Seattle–Tacoma International Airport is 5 hours and 12 minutes.

Flight carbon footprint between Westerly State Airport (WST) and Seattle–Tacoma International Airport (SEA)

On average, flying from Westerly to Seattle generates about 274 kg of CO2 per passenger, and 274 kilograms equals 604 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Westerly to Seattle

See the map of the shortest flight path between Westerly State Airport (WST) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin Westerly State Airport
City: Westerly, RI
Country: United States Flag of United States
IATA Code: WST
ICAO Code: KWST
Coordinates: 41°20′58″N, 71°48′12″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