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

The distance between Lewistown (Lewistown Municipal Airport) and Seattle (Seattle Boeing Field) is 604 miles / 971 kilometers / 524 nautical miles.

The driving distance from Lewistown (LWT) to Seattle (BFI) is 750 miles / 1207 kilometers, and travel time by car is about 13 hours 51 minutes.

Lewistown Municipal Airport – Seattle Boeing Field

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604
Miles
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971
Kilometers
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524
Nautical miles

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Distance from Lewistown to Seattle

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

Vincenty's formula (applied above)
  • 603.507 miles
  • 971.251 kilometers
  • 524.434 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
  • 601.748 miles
  • 968.420 kilometers
  • 522.905 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 Lewistown to Seattle?

The estimated flight time from Lewistown Municipal Airport to Seattle Boeing Field is 1 hour and 38 minutes.

Flight carbon footprint between Lewistown Municipal Airport (LWT) and Seattle Boeing Field (BFI)

On average, flying from Lewistown to Seattle generates about 113 kg of CO2 per passenger, and 113 kilograms equals 249 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Lewistown to Seattle

See the map of the shortest flight path between Lewistown Municipal Airport (LWT) and Seattle Boeing Field (BFI).

Airport information

Origin Lewistown Municipal Airport
City: Lewistown, MT
Country: United States Flag of United States
IATA Code: LWT
ICAO Code: KLWT
Coordinates: 47°2′57″N, 109°28′1″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