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

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

The driving distance from Lewistown (LWT) to Seattle (SEA) is 752 miles / 1211 kilometers, and travel time by car is about 13 hours 54 minutes.

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)

• 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 Lewistown to Seattle?

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

What is the time difference between Lewistown and Seattle?

The time difference between Lewistown and Seattle is 1 hour. Seattle is 1 hour behind Lewistown.

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

On average, flying from Lewistown to Seattle 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 Lewistown to Seattle

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

Airport information

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

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