Air Miles Calculator logo

How far is Key West, FL, from San Francisco, CA?

The distance between San Francisco (San Francisco International Airport) and Key West (Key West International Airport) is 2547 miles / 4099 kilometers / 2214 nautical miles.

The driving distance from San Francisco (SFO) to Key West (EYW) is 3187 miles / 5129 kilometers, and travel time by car is about 58 hours 36 minutes.

San Francisco International Airport – Key West International Airport

Distance arrow
2547
Miles
Distance arrow
4099
Kilometers
Distance arrow
2214
Nautical miles

Search flights

Distance from San Francisco to Key West

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

Vincenty's formula (applied above)
  • 2547.290 miles
  • 4099.466 kilometers
  • 2213.535 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
  • 2543.742 miles
  • 4093.756 kilometers
  • 2210.451 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 San Francisco to Key West?

The estimated flight time from San Francisco International Airport to Key West International Airport is 5 hours and 19 minutes.

Flight carbon footprint between San Francisco International Airport (SFO) and Key West International Airport (EYW)

On average, flying from San Francisco to Key West generates about 281 kg of CO2 per passenger, and 281 kilograms equals 619 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from San Francisco to Key West

See the map of the shortest flight path between San Francisco International Airport (SFO) and Key West International Airport (EYW).

Airport information

Origin San Francisco International Airport
City: San Francisco, CA
Country: United States Flag of United States
IATA Code: SFO
ICAO Code: KSFO
Coordinates: 37°37′8″N, 122°22′30″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