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

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

The driving distance from Seattle (SEA) to Westerly (WST) is 2973 miles / 4784 kilometers, and travel time by car is about 53 hours 48 minutes.

Seattle–Tacoma International Airport – Westerly State 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 Seattle to Westerly

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

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

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

On average, flying from Seattle to Westerly 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 Seattle to Westerly

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

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 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