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How far is St. Lewis from Seattle, WA?

The distance between Seattle (Seattle Boeing Field) and St. Lewis (St. Lewis (Fox Harbour) Airport) is 2883 miles / 4640 kilometers / 2506 nautical miles.

The driving distance from Seattle (BFI) to St. Lewis (YFX) is 4169 miles / 6709 kilometers, and travel time by car is about 85 hours 7 minutes.

Seattle Boeing Field – St. Lewis (Fox Harbour) Airport

Distance arrow
2883
Miles
Distance arrow
4640
Kilometers
Distance arrow
2506
Nautical miles
Flight time duration
5 h 57 min
Time Difference
4 h 30 min
CO2 emission
320 kg

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Distance from Seattle to St. Lewis

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

Vincenty's formula (applied above)
  • 2883.422 miles
  • 4640.417 kilometers
  • 2505.625 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
  • 2874.675 miles
  • 4626.341 kilometers
  • 2498.024 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. Lewis?

The estimated flight time from Seattle Boeing Field to St. Lewis (Fox Harbour) Airport is 5 hours and 57 minutes.

Flight carbon footprint between Seattle Boeing Field (BFI) and St. Lewis (Fox Harbour) Airport (YFX)

On average, flying from Seattle to St. Lewis generates about 320 kg of CO2 per passenger, and 320 kilograms equals 706 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. Lewis

See the map of the shortest flight path between Seattle Boeing Field (BFI) and St. Lewis (Fox Harbour) Airport (YFX).

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. Lewis (Fox Harbour) Airport
City: St. Lewis
Country: Canada Flag of Canada
IATA Code: YFX
ICAO Code: CCK4
Coordinates: 52°22′22″N, 55°40′26″W