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

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

The driving distance from Seattle (SEA) to Key West (EYW) is 3490 miles / 5617 kilometers, and travel time by car is about 62 hours 46 minutes.

Seattle–Tacoma International Airport – Key West International Airport

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2720
Miles
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4377
Kilometers
Distance arrow
2363
Nautical miles

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Distance from Seattle to Key West

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

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

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

On average, flying from Seattle to Key West 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 Seattle to Key West

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

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 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