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How far is Seattle, WA, from Niagara Falls, NY?

The distance between Niagara Falls (Niagara Falls International Airport) and Seattle (Seattle Boeing Field) is 2106 miles / 3390 kilometers / 1830 nautical miles.

The driving distance from Niagara Falls (IAG) to Seattle (BFI) is 2474 miles / 3981 kilometers, and travel time by car is about 45 hours 18 minutes.

Niagara Falls International Airport – Seattle Boeing Field

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2106
Miles
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3390
Kilometers
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1830
Nautical miles

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Distance from Niagara Falls to Seattle

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

Vincenty's formula (applied above)
  • 2106.323 miles
  • 3389.798 kilometers
  • 1830.344 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
  • 2100.559 miles
  • 3380.522 kilometers
  • 1825.336 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 Niagara Falls to Seattle?

The estimated flight time from Niagara Falls International Airport to Seattle Boeing Field is 4 hours and 29 minutes.

Flight carbon footprint between Niagara Falls International Airport (IAG) and Seattle Boeing Field (BFI)

On average, flying from Niagara Falls to Seattle generates about 230 kg of CO2 per passenger, and 230 kilograms equals 506 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Niagara Falls to Seattle

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

Airport information

Origin Niagara Falls International Airport
City: Niagara Falls, NY
Country: United States Flag of United States
IATA Code: IAG
ICAO Code: KIAG
Coordinates: 43°6′26″N, 78°56′46″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