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

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

The driving distance from Seattle (BFI) to Niagara Falls (IAG) is 2474 miles / 3981 kilometers, and travel time by car is about 45 hours 21 minutes.

Seattle Boeing Field – Niagara Falls International Airport

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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 Seattle to Niagara Falls

There are several ways to calculate the distance from Seattle to Niagara Falls. 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 Seattle to Niagara Falls?

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

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

On average, flying from Seattle to Niagara Falls 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 Seattle to Niagara Falls

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

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 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