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How far is Seattle, WA, from Sioux City, IA?

The distance between Sioux City (Sioux Gateway Airport) and Seattle (Seattle–Tacoma International Airport) is 1312 miles / 2111 kilometers / 1140 nautical miles.

The driving distance from Sioux City (SUX) to Seattle (SEA) is 1573 miles / 2531 kilometers, and travel time by car is about 27 hours 31 minutes.

Sioux Gateway Airport – Seattle–Tacoma International Airport

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1312
Miles
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2111
Kilometers
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1140
Nautical miles

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Distance from Sioux City to Seattle

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

Vincenty's formula (applied above)
  • 1311.791 miles
  • 2111.124 kilometers
  • 1139.916 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
  • 1308.451 miles
  • 2105.748 kilometers
  • 1137.013 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 Sioux City to Seattle?

The estimated flight time from Sioux Gateway Airport to Seattle–Tacoma International Airport is 2 hours and 59 minutes.

Flight carbon footprint between Sioux Gateway Airport (SUX) and Seattle–Tacoma International Airport (SEA)

On average, flying from Sioux City to Seattle generates about 168 kg of CO2 per passenger, and 168 kilograms equals 370 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Sioux City to Seattle

See the map of the shortest flight path between Sioux Gateway Airport (SUX) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin Sioux Gateway Airport
City: Sioux City, IA
Country: United States Flag of United States
IATA Code: SUX
ICAO Code: KSUX
Coordinates: 42°24′9″N, 96°23′3″W
Destination 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