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How far is Key West, FL, from San Antonio, TX?

The distance between San Antonio (San Antonio International Airport) and Key West (Key West International Airport) is 1084 miles / 1745 kilometers / 942 nautical miles.

The driving distance from San Antonio (SAT) to Key West (EYW) is 1543 miles / 2484 kilometers, and travel time by car is about 28 hours 58 minutes.

San Antonio International Airport – Key West International Airport

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1084
Miles
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1745
Kilometers
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942
Nautical miles

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Distance from San Antonio to Key West

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

Vincenty's formula (applied above)
  • 1084.418 miles
  • 1745.201 kilometers
  • 942.333 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
  • 1083.035 miles
  • 1742.975 kilometers
  • 941.131 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 Antonio to Key West?

The estimated flight time from San Antonio International Airport to Key West International Airport is 2 hours and 33 minutes.

Flight carbon footprint between San Antonio International Airport (SAT) and Key West International Airport (EYW)

On average, flying from San Antonio to Key West generates about 156 kg of CO2 per passenger, and 156 kilograms equals 344 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 Antonio to Key West

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

Airport information

Origin San Antonio International Airport
City: San Antonio, TX
Country: United States Flag of United States
IATA Code: SAT
ICAO Code: KSAT
Coordinates: 29°32′1″N, 98°28′11″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