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How far is Seattle, WA, from Kalispell, MT?

The distance between Kalispell (Glacier Park International Airport) and Seattle (Seattle Boeing Field) is 377 miles / 607 kilometers / 328 nautical miles.

The driving distance from Kalispell (FCA) to Seattle (BFI) is 528 miles / 850 kilometers, and travel time by car is about 10 hours 21 minutes.

Glacier Park International Airport – Seattle Boeing Field

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377
Miles
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607
Kilometers
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328
Nautical miles

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Distance from Kalispell to Seattle

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

Vincenty's formula (applied above)
  • 377.358 miles
  • 607.299 kilometers
  • 327.915 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
  • 376.264 miles
  • 605.538 kilometers
  • 326.965 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 Kalispell to Seattle?

The estimated flight time from Glacier Park International Airport to Seattle Boeing Field is 1 hour and 12 minutes.

Flight carbon footprint between Glacier Park International Airport (FCA) and Seattle Boeing Field (BFI)

On average, flying from Kalispell to Seattle generates about 81 kg of CO2 per passenger, and 81 kilograms equals 178 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Kalispell to Seattle

See the map of the shortest flight path between Glacier Park International Airport (FCA) and Seattle Boeing Field (BFI).

Airport information

Origin Glacier Park International Airport
City: Kalispell, MT
Country: United States Flag of United States
IATA Code: FCA
ICAO Code: KGPI
Coordinates: 48°18′37″N, 114°15′21″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