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How far is Seattle, WA, from Key West, FL?

The distance between Key West (Key West International Airport) and Seattle (Seattle–Tacoma International Airport) is 2720 miles / 4377 kilometers / 2363 nautical miles.

The driving distance from Key West (EYW) to Seattle (SEA) is 3490 miles / 5617 kilometers, and travel time by car is about 62 hours 55 minutes.

Key West International Airport – Seattle–Tacoma International Airport

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2720
Miles
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4377
Kilometers
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2363
Nautical miles

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Distance from Key West to Seattle

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

Vincenty's formula (applied above)
  • 2719.528 miles
  • 4376.656 kilometers
  • 2363.205 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
  • 2717.380 miles
  • 4373.198 kilometers
  • 2361.338 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 Key West to Seattle?

The estimated flight time from Key West International Airport to Seattle–Tacoma International Airport is 5 hours and 38 minutes.

Flight carbon footprint between Key West International Airport (EYW) and Seattle–Tacoma International Airport (SEA)

On average, flying from Key West to Seattle generates about 301 kg of CO2 per passenger, and 301 kilograms equals 663 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Key West to Seattle

See the map of the shortest flight path between Key West International Airport (EYW) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin Key West International Airport
City: Key West, FL
Country: United States Flag of United States
IATA Code: EYW
ICAO Code: KEYW
Coordinates: 24°33′21″N, 81°45′34″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