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How far is San Antonio, TX, from Seattle, WA?

The distance between Seattle (Seattle Boeing Field) and San Antonio (San Antonio International Airport) is 1777 miles / 2860 kilometers / 1544 nautical miles.

The driving distance from Seattle (BFI) to San Antonio (SAT) is 2133 miles / 3433 kilometers, and travel time by car is about 39 hours 13 minutes.

Seattle Boeing Field – San Antonio International Airport

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1777
Miles
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2860
Kilometers
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1544
Nautical miles

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Distance from Seattle to San Antonio

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

Vincenty's formula (applied above)
  • 1777.272 miles
  • 2860.242 kilometers
  • 1544.407 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
  • 1776.547 miles
  • 2859.075 kilometers
  • 1543.777 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 San Antonio?

The estimated flight time from Seattle Boeing Field to San Antonio International Airport is 3 hours and 51 minutes.

Flight carbon footprint between Seattle Boeing Field (BFI) and San Antonio International Airport (SAT)

On average, flying from Seattle to San Antonio generates about 198 kg of CO2 per passenger, and 198 kilograms equals 437 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 San Antonio

See the map of the shortest flight path between Seattle Boeing Field (BFI) and San Antonio International Airport (SAT).

Airport information

Origin Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W
Destination 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