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How far is Seattle, WA, from Calgary?

The distance between Calgary (Calgary International Airport) and Seattle (Seattle Boeing Field) is 448 miles / 721 kilometers / 390 nautical miles.

The driving distance from Calgary (YYC) to Seattle (BFI) is 713 miles / 1148 kilometers, and travel time by car is about 14 hours 8 minutes.

Calgary International Airport – Seattle Boeing Field

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448
Miles
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721
Kilometers
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390
Nautical miles

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Distance from Calgary to Seattle

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

Vincenty's formula (applied above)
  • 448.261 miles
  • 721.405 kilometers
  • 389.528 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
  • 447.288 miles
  • 719.841 kilometers
  • 388.683 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 Calgary to Seattle?

The estimated flight time from Calgary International Airport to Seattle Boeing Field is 1 hour and 20 minutes.

Flight carbon footprint between Calgary International Airport (YYC) and Seattle Boeing Field (BFI)

On average, flying from Calgary to Seattle generates about 91 kg of CO2 per passenger, and 91 kilograms equals 201 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Calgary to Seattle

See the map of the shortest flight path between Calgary International Airport (YYC) and Seattle Boeing Field (BFI).

Airport information

Origin Calgary International Airport
City: Calgary
Country: Canada Flag of Canada
IATA Code: YYC
ICAO Code: CYYC
Coordinates: 51°6′50″N, 114°1′11″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