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

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

The driving distance from San Antonio (SAT) to Seattle (BFI) is 2132 miles / 3431 kilometers, and travel time by car is about 39 hours 11 minutes.

San Antonio International Airport – Seattle Boeing Field

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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 San Antonio to Seattle

There are several ways to calculate the distance from San Antonio to Seattle. 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 San Antonio to Seattle?

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

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

On average, flying from San Antonio to Seattle 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 San Antonio to Seattle

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

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 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