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How far is Seattle, WA, from Buffalo, NY?

The distance between Buffalo (Buffalo Niagara International Airport) and Seattle (Seattle Boeing Field) is 2121 miles / 3413 kilometers / 1843 nautical miles.

The driving distance from Buffalo (BUF) to Seattle (BFI) is 2495 miles / 4015 kilometers, and travel time by car is about 45 hours 46 minutes.

Buffalo Niagara International Airport – Seattle Boeing Field

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2121
Miles
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3413
Kilometers
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1843
Nautical miles

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Distance from Buffalo to Seattle

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

Vincenty's formula (applied above)
  • 2120.884 miles
  • 3413.231 kilometers
  • 1842.997 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
  • 2115.100 miles
  • 3403.924 kilometers
  • 1837.972 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 Buffalo to Seattle?

The estimated flight time from Buffalo Niagara International Airport to Seattle Boeing Field is 4 hours and 30 minutes.

Flight carbon footprint between Buffalo Niagara International Airport (BUF) and Seattle Boeing Field (BFI)

On average, flying from Buffalo to Seattle generates about 231 kg of CO2 per passenger, and 231 kilograms equals 510 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Buffalo to Seattle

See the map of the shortest flight path between Buffalo Niagara International Airport (BUF) and Seattle Boeing Field (BFI).

Airport information

Origin Buffalo Niagara International Airport
City: Buffalo, NY
Country: United States Flag of United States
IATA Code: BUF
ICAO Code: KBUF
Coordinates: 42°56′25″N, 78°43′55″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