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How far is Seattle, WA, from Calgary?

The distance between Calgary (Calgary International Airport) and Seattle (Seattle–Tacoma International Airport) is 452 miles / 727 kilometers / 393 nautical miles.

The driving distance from Calgary (YYC) to Seattle (SEA) is 716 miles / 1152 kilometers, and travel time by car is about 14 hours 11 minutes.

Calgary International Airport – Seattle–Tacoma International Airport

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452
Miles
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727
Kilometers
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393
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)
  • 451.880 miles
  • 727.231 kilometers
  • 392.673 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
  • 450.913 miles
  • 725.675 kilometers
  • 391.833 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–Tacoma International Airport is 1 hour and 21 minutes.

Flight carbon footprint between Calgary International Airport (YYC) and Seattle–Tacoma International Airport (SEA)

On average, flying from Calgary to Seattle generates about 92 kg of CO2 per passenger, and 92 kilograms equals 202 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–Tacoma International Airport (SEA).

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–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W

Airlines flying from Calgary (YYC) to Seattle (SEA)

Alaska Airlines