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How far is St Louis, MO, from Seattle, WA?

The distance between Seattle (Seattle Boeing Field) and St Louis (St. Louis Lambert International Airport) is 1710 miles / 2751 kilometers / 1486 nautical miles.

The driving distance from Seattle (BFI) to St Louis (STL) is 2103 miles / 3384 kilometers, and travel time by car is about 36 hours 33 minutes.

Seattle Boeing Field – St. Louis Lambert International Airport

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1710
Miles
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2751
Kilometers
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1486
Nautical miles

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Distance from Seattle to St Louis

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

Vincenty's formula (applied above)
  • 1709.613 miles
  • 2751.355 kilometers
  • 1485.613 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
  • 1705.807 miles
  • 2745.230 kilometers
  • 1482.306 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 St Louis?

The estimated flight time from Seattle Boeing Field to St. Louis Lambert International Airport is 3 hours and 44 minutes.

Flight carbon footprint between Seattle Boeing Field (BFI) and St. Louis Lambert International Airport (STL)

On average, flying from Seattle to St Louis generates about 193 kg of CO2 per passenger, and 193 kilograms equals 426 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 St Louis

See the map of the shortest flight path between Seattle Boeing Field (BFI) and St. Louis Lambert International Airport (STL).

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 St. Louis Lambert International Airport
City: St Louis, MO
Country: United States Flag of United States
IATA Code: STL
ICAO Code: KSTL
Coordinates: 38°44′55″N, 90°22′12″W