How far is Key West, FL, from Seattle, WA?
The distance between Seattle (Seattle Boeing Field) and Key West (Key West International Airport) is 2721 miles / 4379 kilometers / 2365 nautical miles.
The driving distance from Seattle (BFI) to Key West (EYW) is 3488 miles / 5614 kilometers, and travel time by car is about 62 hours 44 minutes.
Seattle Boeing Field – Key West International Airport
Search flights
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)- 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 Seattle to Key West?
The estimated flight time from Seattle Boeing Field to Key West International Airport is 5 hours and 39 minutes.
What is the time difference between Seattle and Key West?
The time difference between Seattle and Key West is 3 hours. Key West is 3 hours ahead of Seattle.
Flight carbon footprint between Seattle Boeing Field (BFI) 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 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 Seattle to Key West
See the map of the shortest flight path between Seattle Boeing Field (BFI) and Key West International Airport (EYW).
Airport information
| Origin | Seattle Boeing Field |
|---|---|
| City: | Seattle, WA |
| Country: | United States  |
| IATA Code: | BFI |
| ICAO Code: | KBFI |
| Coordinates: | 47°31′47″N, 122°18′7″W |
| Destination | 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 |