How far is Seattle, WA, from Key West, FL?
The distance between Key West (Key West International Airport) and Seattle (Seattle Boeing Field) is 2721 miles / 4379 kilometers / 2365 nautical miles.
The driving distance from Key West (EYW) to Seattle (BFI) is 3488 miles / 5613 kilometers, and travel time by car is about 62 hours 51 minutes.
Key West International Airport – Seattle Boeing Field
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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)- 2721.230 miles
- 4379.395 kilometers
- 2364.684 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- 2719.094 miles
- 4375.957 kilometers
- 2362.828 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 Boeing Field is 5 hours and 39 minutes.
What is the time difference between Key West and Seattle?
The time difference between Key West and Seattle is 3 hours. Seattle is 3 hours behind Key West.
Flight carbon footprint between Key West International Airport (EYW) and Seattle Boeing Field (BFI)
On average, flying from Key West to Seattle generates about 301 kg of CO2 per passenger, and 301 kilograms equals 664 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 Boeing Field (BFI).
Airport information
| Origin | Key West International Airport |
|---|---|
| City: | Key West, FL |
| Country: | United States  |
| IATA Code: | EYW |
| ICAO Code: | KEYW |
| Coordinates: | 24°33′21″N, 81°45′34″W |
| Destination | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″W |