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

The distance between Seattle (Seattle–Tacoma International Airport) and San Antonio (San Antonio International Airport) is 1774 miles / 2855 kilometers / 1542 nautical miles.

The driving distance from Seattle (SEA) to San Antonio (SAT) is 2136 miles / 3437 kilometers, and travel time by car is about 39 hours 15 minutes.

Seattle–Tacoma International Airport – San Antonio International Airport

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1774
Miles
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2855
Kilometers
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1542
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)
  • 1774.274 miles
  • 2855.417 kilometers
  • 1541.802 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
  • 1773.538 miles
  • 2854.233 kilometers
  • 1541.162 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–Tacoma International Airport to San Antonio International Airport is 3 hours and 51 minutes.

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) 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–Tacoma International Airport (SEA) and San Antonio International Airport (SAT).

Airport information

Origin Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″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

Airlines flying from Seattle (SEA) to San Antonio (SAT)

Alaska Airlines