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

The distance between Seattle (Seattle–Tacoma International Airport) and Lewistown (Lewistown Municipal Airport) is 604 miles / 972 kilometers / 525 nautical miles.

The driving distance from Seattle (SEA) to Lewistown (LWT) is 752 miles / 1210 kilometers, and travel time by car is about 13 hours 50 minutes.

Seattle–Tacoma International Airport – Lewistown Municipal Airport

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604
Miles
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972
Kilometers
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525
Nautical miles

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Distance from Seattle to Lewistown

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

Vincenty's formula (applied above)
  • 604.016 miles
  • 972.069 kilometers
  • 524.875 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
  • 602.255 miles
  • 969.235 kilometers
  • 523.345 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 Lewistown?

The estimated flight time from Seattle–Tacoma International Airport to Lewistown Municipal Airport is 1 hour and 38 minutes.

Flight carbon footprint between Seattle–Tacoma International Airport (SEA) and Lewistown Municipal Airport (LWT)

On average, flying from Seattle to Lewistown generates about 113 kg of CO2 per passenger, and 113 kilograms equals 250 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 Lewistown

See the map of the shortest flight path between Seattle–Tacoma International Airport (SEA) and Lewistown Municipal Airport (LWT).

Airport information

Origin 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
Destination 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