How far is Great Falls, MT, from Lewistown, MT?

The distance between Lewistown (Lewistown Municipal Airport) and Great Falls (Great Falls International Airport) is 94 miles / 152 kilometers / 82 nautical miles.

The driving distance from Lewistown (LWT) to Great Falls (GTF) is 114 miles / 183 kilometers, and travel time by car is about 2 hours 35 minutes.

Distance from Lewistown to Great Falls

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

Vincenty's formula (applied above)

• 94.389 miles
• 151.904 kilometers
• 82.022 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

• 94.142 miles
• 151.508 kilometers
• 81.808 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 Great Falls?

The estimated flight time from Lewistown Municipal Airport to Great Falls International Airport is 40 minutes.

What is the time difference between Lewistown and Great Falls?

There is no time difference between Lewistown and Great Falls.

Flight carbon footprint between Lewistown Municipal Airport (LWT) and Great Falls International Airport (GTF)

On average, flying from Lewistown to Great Falls generates about 39 kg of CO2 per passenger, and 39 kilograms equals 86 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 Great Falls

See the map of the shortest flight path between Lewistown Municipal Airport (LWT) and Great Falls International Airport (GTF).

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	Great Falls International Airport
City:	Great Falls, MT
Country:	United States
IATA Code:	GTF
ICAO Code:	KGTF
Coordinates:	47°28′55″N, 111°22′15″W